Finding the Fourth Proportional to 94,124.76, 140,356.83 and 81,061.08

Step by Step Solution

1. Step 1: Write the proportion equation
   94,124.76 : 140,356.83 = 81,061.08 : x
2. Step 2: Convert to fraction form
   94,124.76/140,356.83 = 81,061.08/x
3. Step 3: Cross multiply
   94,124.76x = 140,356.83 × 81,061.08
4. Step 4: Simplify right side
   94,124.76x = 11,377,476,225.18
5. Step 5: Solve for x
   x = 11,377,476,225.18/94,124.76
6. Step 6: Final answer
   x = 120,876.55