Finding the Fourth Proportional to 131,477.91, 197,223.41 and 64,071.87

Step by Step Solution

1. Step 1: Write the proportion equation
   131,477.91 : 197,223.41 = 64,071.87 : x
2. Step 2: Convert to fraction form
   131,477.91/197,223.41 = 64,071.87/x
3. Step 3: Cross multiply
   131,477.91x = 197,223.41 × 64,071.87
4. Step 4: Simplify right side
   131,477.91x = 12,636,472,686.48
5. Step 5: Solve for x
   x = 12,636,472,686.48/131,477.91
6. Step 6: Final answer
   x = 96,110.99