Finding the Fourth Proportional to 131,432.82, 197,205.72 and 42,713.52

Step by Step Solution

1. Step 1: Write the proportion equation
   131,432.82 : 197,205.72 = 42,713.52 : x
2. Step 2: Convert to fraction form
   131,432.82/197,205.72 = 42,713.52/x
3. Step 3: Cross multiply
   131,432.82x = 197,205.72 × 42,713.52
4. Step 4: Simplify right side
   131,432.82x = 8,423,350,465.33
5. Step 5: Solve for x
   x = 8,423,350,465.33/131,432.82
6. Step 6: Final answer
   x = 64,088.64