Finding the Fourth Proportional to 88,171,404.15, 121,661,830.10 and 49,007,856.11

Step by Step Solution

1. Step 1: Write the proportion equation
   88,171,404.15 : 121,661,830.10 = 49,007,856.11 : x
2. Step 2: Convert to fraction form
   88,171,404.15/121,661,830.10 = 49,007,856.11/x
3. Step 3: Cross multiply
   88,171,404.15x = 121,661,830.10 × 49,007,856.11
4. Step 4: Simplify right side
   88,171,404.15x = 5,962,385,463,818,504
5. Step 5: Solve for x
   x = 5,962,385,463,818,504/88,171,404.15
6. Step 6: Final answer
   x = 67,622,666.57