Finding the Fourth Proportional to 1,665.27, 2,498.42 and 625.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,665.27 : 2,498.42 = 625.37 : x
2. Step 2: Convert to fraction form
   1,665.27/2,498.42 = 625.37/x
3. Step 3: Cross multiply
   1,665.27x = 2,498.42 × 625.37
4. Step 4: Simplify right side
   1,665.27x = 1,562,425.99
5. Step 5: Solve for x
   x = 1,562,425.99/1,665.27
6. Step 6: Final answer
   x = 938.24