Finding the Fourth Proportional to 573,535.82, 791,499.75 and 315,432.72

Step by Step Solution

1. Step 1: Write the proportion equation
   573,535.82 : 791,499.75 = 315,432.72 : x
2. Step 2: Convert to fraction form
   573,535.82/791,499.75 = 315,432.72/x
3. Step 3: Cross multiply
   573,535.82x = 791,499.75 × 315,432.72
4. Step 4: Simplify right side
   573,535.82x = 249,664,919,021.82
5. Step 5: Solve for x
   x = 249,664,919,021.82/573,535.82
6. Step 6: Final answer
   x = 435,308.33