Finding the Fourth Proportional to 111,377.62, 153,687.34 and 71,114.95

Step by Step Solution

1. Step 1: Write the proportion equation
   111,377.62 : 153,687.34 = 71,114.95 : x
2. Step 2: Convert to fraction form
   111,377.62/153,687.34 = 71,114.95/x
3. Step 3: Cross multiply
   111,377.62x = 153,687.34 × 71,114.95
4. Step 4: Simplify right side
   111,377.62x = 10,929,467,499.73
5. Step 5: Solve for x
   x = 10,929,467,499.73/111,377.62
6. Step 6: Final answer
   x = 98,129.84