Finding the Fourth Proportional to 85,439,477.37, 117,904,062.91 and 50,156,715.72

Step by Step Solution

1. Step 1: Write the proportion equation
   85,439,477.37 : 117,904,062.91 = 50,156,715.72 : x
2. Step 2: Convert to fraction form
   85,439,477.37/117,904,062.91 = 50,156,715.72/x
3. Step 3: Cross multiply
   85,439,477.37x = 117,904,062.91 × 50,156,715.72
4. Step 4: Simplify right side
   85,439,477.37x = 5,913,680,565,609,866
5. Step 5: Solve for x
   x = 5,913,680,565,609,866/85,439,477.37
6. Step 6: Final answer
   x = 69,214,849.48