Finding the Fourth Proportional to 772,105.96, 1,158,104.22 and 239,614.12

Step by Step Solution

1. Step 1: Write the proportion equation
   772,105.96 : 1,158,104.22 = 239,614.12 : x
2. Step 2: Convert to fraction form
   772,105.96/1,158,104.22 = 239,614.12/x
3. Step 3: Cross multiply
   772,105.96x = 1,158,104.22 × 239,614.12
4. Step 4: Simplify right side
   772,105.96x = 277,498,123,543.59
5. Step 5: Solve for x
   x = 277,498,123,543.59/772,105.96
6. Step 6: Final answer
   x = 359,404.20