Finding the Fourth Proportional to 131,044.86, 196,565.72 and 92,417.31

Step by Step Solution

1. Step 1: Write the proportion equation
   131,044.86 : 196,565.72 = 92,417.31 : x
2. Step 2: Convert to fraction form
   131,044.86/196,565.72 = 92,417.31/x
3. Step 3: Cross multiply
   131,044.86x = 196,565.72 × 92,417.31
4. Step 4: Simplify right side
   131,044.86x = 18,166,074,618.53
5. Step 5: Solve for x
   x = 18,166,074,618.53/131,044.86
6. Step 6: Final answer
   x = 138,624.85