Finding the Fourth Proportional to 623,472.89, 935,131.58 and 249,499.13

Step by Step Solution

1. Step 1: Write the proportion equation
   623,472.89 : 935,131.58 = 249,499.13 : x
2. Step 2: Convert to fraction form
   623,472.89/935,131.58 = 249,499.13/x
3. Step 3: Cross multiply
   623,472.89x = 935,131.58 × 249,499.13
4. Step 4: Simplify right side
   623,472.89x = 233,314,514,398.03
5. Step 5: Solve for x
   x = 233,314,514,398.03/623,472.89
6. Step 6: Final answer
   x = 374,217.58