Finding the Fourth Proportional to 2,139,546,454.06, 3,209,539,578.66 and 740,528,436.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,139,546,454.06 : 3,209,539,578.66 = 740,528,436.82 : x
2. Step 2: Convert to fraction form
   2,139,546,454.06/3,209,539,578.66 = 740,528,436.82/x
3. Step 3: Cross multiply
   2,139,546,454.06x = 3,209,539,578.66 × 740,528,436.82
4. Step 4: Simplify right side
   2,139,546,454.06x = 2,376,755,327,097,011,200
5. Step 5: Solve for x
   x = 2,376,755,327,097,011,200/2,139,546,454.06
6. Step 6: Final answer
   x = 1,110,868,765.01