Finding the Fourth Proportional to 94,123.76, 140,355.34 and 81,060.08

Step by Step Solution

1. Step 1: Write the proportion equation
   94,123.76 : 140,355.34 = 81,060.08 : x
2. Step 2: Convert to fraction form
   94,123.76/140,355.34 = 81,060.08/x
3. Step 3: Cross multiply
   94,123.76x = 140,355.34 × 81,060.08
4. Step 4: Simplify right side
   94,123.76x = 11,377,215,088.83
5. Step 5: Solve for x
   x = 11,377,215,088.83/94,123.76
6. Step 6: Final answer
   x = 120,875.06