Finding the Fourth Proportional to 10,018,434.33, 13,825,465.98 and 5,434,755.71

Step by Step Solution

1. Step 1: Write the proportion equation
   10,018,434.33 : 13,825,465.98 = 5,434,755.71 : x
2. Step 2: Convert to fraction form
   10,018,434.33/13,825,465.98 = 5,434,755.71/x
3. Step 3: Cross multiply
   10,018,434.33x = 13,825,465.98 × 5,434,755.71
4. Step 4: Simplify right side
   10,018,434.33x = 75,138,030,178,215.75
5. Step 5: Solve for x
   x = 75,138,030,178,215.75/10,018,434.33
6. Step 6: Final answer
   x = 7,499,977.31