Finding the Fourth Proportional to 1,598.31, 2,398.91 and 625.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,598.31 : 2,398.91 = 625.10 : x
2. Step 2: Convert to fraction form
   1,598.31/2,398.91 = 625.10/x
3. Step 3: Cross multiply
   1,598.31x = 2,398.91 × 625.10
4. Step 4: Simplify right side
   1,598.31x = 1,499,543.52
5. Step 5: Solve for x
   x = 1,499,543.52/1,598.31
6. Step 6: Final answer
   x = 938.21