Finding the Fourth Proportional to 137,411.24, 205,872.18 and 84,077.14

Step by Step Solution

1. Step 1: Write the proportion equation
   137,411.24 : 205,872.18 = 84,077.14 : x
2. Step 2: Convert to fraction form
   137,411.24/205,872.18 = 84,077.14/x
3. Step 3: Cross multiply
   137,411.24x = 205,872.18 × 84,077.14
4. Step 4: Simplify right side
   137,411.24x = 17,309,144,128.94
5. Step 5: Solve for x
   x = 17,309,144,128.94/137,411.24
6. Step 6: Final answer
   x = 125,966.00