Finding the Fourth Proportional to 354,152.72, 531,540.72 and 185,793.36

Step by Step Solution

1. Step 1: Write the proportion equation
   354,152.72 : 531,540.72 = 185,793.36 : x
2. Step 2: Convert to fraction form
   354,152.72/531,540.72 = 185,793.36/x
3. Step 3: Cross multiply
   354,152.72x = 531,540.72 × 185,793.36
4. Step 4: Simplify right side
   354,152.72x = 98,756,736,345.62
5. Step 5: Solve for x
   x = 98,756,736,345.62/354,152.72
6. Step 6: Final answer
   x = 278,853.53