Finding the Fourth Proportional to 453,100.72, 625,257.60 and 249,160.24

Step by Step Solution

1. Step 1: Write the proportion equation
   453,100.72 : 625,257.60 = 249,160.24 : x
2. Step 2: Convert to fraction form
   453,100.72/625,257.60 = 249,160.24/x
3. Step 3: Cross multiply
   453,100.72x = 625,257.60 × 249,160.24
4. Step 4: Simplify right side
   453,100.72x = 155,789,333,677.82
5. Step 5: Solve for x
   x = 155,789,333,677.82/453,100.72
6. Step 6: Final answer
   x = 343,829.37