Finding the Fourth Proportional to 119,788,404.62, 165,308,108.60 and 64,784,261.12

Step by Step Solution

1. Step 1: Write the proportion equation
   119,788,404.62 : 165,308,108.60 = 64,784,261.12 : x
2. Step 2: Convert to fraction form
   119,788,404.62/165,308,108.60 = 64,784,261.12/x
3. Step 3: Cross multiply
   119,788,404.62x = 165,308,108.60 × 64,784,261.12
4. Step 4: Simplify right side
   119,788,404.62x = 10,709,363,672,795,716
5. Step 5: Solve for x
   x = 10,709,363,672,795,716/119,788,404.62
6. Step 6: Final answer
   x = 89,402,339.96