Finding the Fourth Proportional to 139,134.80, 191,937.38 and 93,754.55

Step by Step Solution

1. Step 1: Write the proportion equation
   139,134.80 : 191,937.38 = 93,754.55 : x
2. Step 2: Convert to fraction form
   139,134.80/191,937.38 = 93,754.55/x
3. Step 3: Cross multiply
   139,134.80x = 191,937.38 × 93,754.55
4. Step 4: Simplify right side
   139,134.80x = 17,995,001,261.62
5. Step 5: Solve for x
   x = 17,995,001,261.62/139,134.80
6. Step 6: Final answer
   x = 129,335.02