Finding the Fourth Proportional to 707,849.72, 1,061,132.88 and 352,972.52

Step by Step Solution

1. Step 1: Write the proportion equation
   707,849.72 : 1,061,132.88 = 352,972.52 : x
2. Step 2: Convert to fraction form
   707,849.72/1,061,132.88 = 352,972.52/x
3. Step 3: Cross multiply
   707,849.72x = 1,061,132.88 × 352,972.52
4. Step 4: Simplify right side
   707,849.72x = 374,550,746,708.46
5. Step 5: Solve for x
   x = 374,550,746,708.46/707,849.72
6. Step 6: Final answer
   x = 529,138.79