Finding the Fourth Proportional to 522,476.59, 721,025.59 and 293,084.72

Step by Step Solution

1. Step 1: Write the proportion equation
   522,476.59 : 721,025.59 = 293,084.72 : x
2. Step 2: Convert to fraction form
   522,476.59/721,025.59 = 293,084.72/x
3. Step 3: Cross multiply
   522,476.59x = 721,025.59 × 293,084.72
4. Step 4: Simplify right side
   522,476.59x = 211,321,582,425.27
5. Step 5: Solve for x
   x = 211,321,582,425.27/522,476.59
6. Step 6: Final answer
   x = 404,461.35