Finding the Fourth Proportional to 354,150.72, 531,537.72 and 185,791.36

Step by Step Solution

1. Step 1: Write the proportion equation
   354,150.72 : 531,537.72 = 185,791.36 : x
2. Step 2: Convert to fraction form
   354,150.72/531,537.72 = 185,791.36/x
3. Step 3: Cross multiply
   354,150.72x = 531,537.72 × 185,791.36
4. Step 4: Simplify right side
   354,150.72x = 98,755,115,890.10
5. Step 5: Solve for x
   x = 98,755,115,890.10/354,150.72
6. Step 6: Final answer
   x = 278,850.53