Finding the Fourth Proportional to 243,434.72, 365,118.05 and 83,508.04

Step by Step Solution

1. Step 1: Write the proportion equation
   243,434.72 : 365,118.05 = 83,508.04 : x
2. Step 2: Convert to fraction form
   243,434.72/365,118.05 = 83,508.04/x
3. Step 3: Cross multiply
   243,434.72x = 365,118.05 × 83,508.04
4. Step 4: Simplify right side
   243,434.72x = 30,490,291,706.94
5. Step 5: Solve for x
   x = 30,490,291,706.94/243,434.72
6. Step 6: Final answer
   x = 125,250.38