Finding the Fourth Proportional to 711,951.96, 1,067,899.86 and 262,478.52

Step by Step Solution

1. Step 1: Write the proportion equation
   711,951.96 : 1,067,899.86 = 262,478.52 : x
2. Step 2: Convert to fraction form
   711,951.96/1,067,899.86 = 262,478.52/x
3. Step 3: Cross multiply
   711,951.96x = 1,067,899.86 × 262,478.52
4. Step 4: Simplify right side
   711,951.96x = 280,300,774,761.01
5. Step 5: Solve for x
   x = 280,300,774,761.01/711,951.96
6. Step 6: Final answer
   x = 393,707.43