Finding the Fourth Proportional to 131,468.64, 197,123.97 and 51,411.30

Step by Step Solution

1. Step 1: Write the proportion equation
   131,468.64 : 197,123.97 = 51,411.30 : x
2. Step 2: Convert to fraction form
   131,468.64/197,123.97 = 51,411.30/x
3. Step 3: Cross multiply
   131,468.64x = 197,123.97 × 51,411.30
4. Step 4: Simplify right side
   131,468.64x = 10,134,399,558.86
5. Step 5: Solve for x
   x = 10,134,399,558.86/131,468.64
6. Step 6: Final answer
   x = 77,086.06