Finding the Fourth Proportional to 137,200.55, 205,534.49 and 101,111.49

Step by Step Solution

1. Step 1: Write the proportion equation
   137,200.55 : 205,534.49 = 101,111.49 : x
2. Step 2: Convert to fraction form
   137,200.55/205,534.49 = 101,111.49/x
3. Step 3: Cross multiply
   137,200.55x = 205,534.49 × 101,111.49
4. Step 4: Simplify right side
   137,200.55x = 20,781,898,024.73
5. Step 5: Solve for x
   x = 20,781,898,024.73/137,200.55
6. Step 6: Final answer
   x = 151,470.96