Finding the Fourth Proportional to 90,891,775.72, 136,340,462.94 and 39,747,468.52

Step by Step Solution

1. Step 1: Write the proportion equation
   90,891,775.72 : 136,340,462.94 = 39,747,468.52 : x
2. Step 2: Convert to fraction form
   90,891,775.72/136,340,462.94 = 39,747,468.52/x
3. Step 3: Cross multiply
   90,891,775.72x = 136,340,462.94 × 39,747,468.52
4. Step 4: Simplify right side
   90,891,775.72x = 5,419,188,258,709,877
5. Step 5: Solve for x
   x = 5,419,188,258,709,877/90,891,775.72
6. Step 6: Final answer
   x = 59,622,426.96