Finding the Fourth Proportional to 86,736,505.86, 119,695,248.72 and 49,566,363.21

Step by Step Solution

1. Step 1: Write the proportion equation
   86,736,505.86 : 119,695,248.72 = 49,566,363.21 : x
2. Step 2: Convert to fraction form
   86,736,505.86/119,695,248.72 = 49,566,363.21/x
3. Step 3: Cross multiply
   86,736,505.86x = 119,695,248.72 × 49,566,363.21
4. Step 4: Simplify right side
   86,736,505.86x = 5,932,858,172,566,808
5. Step 5: Solve for x
   x = 5,932,858,172,566,808/86,736,505.86
6. Step 6: Final answer
   x = 68,400,935.84