Finding the Fourth Proportional to 530,693.12, 732,294.72 and 315,902.72

Step by Step Solution

1. Step 1: Write the proportion equation
   530,693.12 : 732,294.72 = 315,902.72 : x
2. Step 2: Convert to fraction form
   530,693.12/732,294.72 = 315,902.72/x
3. Step 3: Cross multiply
   530,693.12x = 732,294.72 × 315,902.72
4. Step 4: Simplify right side
   530,693.12x = 231,333,893,889.64
5. Step 5: Solve for x
   x = 231,333,893,889.64/530,693.12
6. Step 6: Final answer
   x = 435,908.97