Finding the Fourth Proportional to 131,437.86, 197,251.86 and 52,574.10

Step by Step Solution

1. Step 1: Write the proportion equation
   131,437.86 : 197,251.86 = 52,574.10 : x
2. Step 2: Convert to fraction form
   131,437.86/197,251.86 = 52,574.10/x
3. Step 3: Cross multiply
   131,437.86x = 197,251.86 × 52,574.10
4. Step 4: Simplify right side
   131,437.86x = 10,370,339,012.83
5. Step 5: Solve for x
   x = 10,370,339,012.83/131,437.86
6. Step 6: Final answer
   x = 78,899.18