Finding the Fourth Proportional to 604,993.62, 907,490.72 and 249,617.05

Step by Step Solution

1. Step 1: Write the proportion equation
   604,993.62 : 907,490.72 = 249,617.05 : x
2. Step 2: Convert to fraction form
   604,993.62/907,490.72 = 249,617.05/x
3. Step 3: Cross multiply
   604,993.62x = 907,490.72 × 249,617.05
4. Step 4: Simplify right side
   604,993.62x = 226,525,156,428.78
5. Step 5: Solve for x
   x = 226,525,156,428.78/604,993.62
6. Step 6: Final answer
   x = 374,425.69