Finding the Fourth Proportional to 514,830.72, 710,472.17 and 294,097.24

Step by Step Solution

1. Step 1: Write the proportion equation
   514,830.72 : 710,472.17 = 294,097.24 : x
2. Step 2: Convert to fraction form
   514,830.72/710,472.17 = 294,097.24/x
3. Step 3: Cross multiply
   514,830.72x = 710,472.17 × 294,097.24
4. Step 4: Simplify right side
   514,830.72x = 208,947,908,466.78
5. Step 5: Solve for x
   x = 208,947,908,466.78/514,830.72
6. Step 6: Final answer
   x = 405,857.50