Finding the Fourth Proportional to 131,429.86, 197,239.83 and 52,566.10

Step by Step Solution

1. Step 1: Write the proportion equation
   131,429.86 : 197,239.83 = 52,566.10 : x
2. Step 2: Convert to fraction form
   131,429.86/197,239.83 = 52,566.10/x
3. Step 3: Cross multiply
   131,429.86x = 197,239.83 × 52,566.10
4. Step 4: Simplify right side
   131,429.86x = 10,368,128,627.76
5. Step 5: Solve for x
   x = 10,368,128,627.76/131,429.86
6. Step 6: Final answer
   x = 78,887.16