Finding the Fourth Proportional to 2,650,813,609,382, 3,658,213,040,786.40 and 1,538,337,731,499.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,650,813,609,382 : 3,658,213,040,786.40 = 1,538,337,731,499.10 : x
2. Step 2: Convert to fraction form
   2,650,813,609,382/3,658,213,040,786.40 = 1,538,337,731,499.10/x
3. Step 3: Cross multiply
   2,650,813,609,382x = 3,658,213,040,786.40 × 1,538,337,731,499.10
4. Step 4: Simplify right side
   2,650,813,609,382x = 5,627,567,150,503,775,208,210,432
5. Step 5: Solve for x
   x = 5,627,567,150,503,775,208,210,432/2,650,813,609,382
6. Step 6: Final answer
   x = 2,122,958,449,657.18