Finding the Fourth Proportional to 1,665.52, 2,495.92 and 925.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,665.52 : 2,495.92 = 925.46 : x
2. Step 2: Convert to fraction form
   1,665.52/2,495.92 = 925.46/x
3. Step 3: Cross multiply
   1,665.52x = 2,495.92 × 925.46
4. Step 4: Simplify right side
   1,665.52x = 2,309,874.12
5. Step 5: Solve for x
   x = 2,309,874.12/1,665.52
6. Step 6: Final answer
   x = 1,386.88