Finding the Fourth Proportional to 453,870.02, 626,329.31 and 249,919.31

Step by Step Solution

1. Step 1: Write the proportion equation
   453,870.02 : 626,329.31 = 249,919.31 : x
2. Step 2: Convert to fraction form
   453,870.02/626,329.31 = 249,919.31/x
3. Step 3: Cross multiply
   453,870.02x = 626,329.31 × 249,919.31
4. Step 4: Simplify right side
   453,870.02x = 156,531,784,606.73
5. Step 5: Solve for x
   x = 156,531,784,606.73/453,870.02
6. Step 6: Final answer
   x = 344,882.41