Finding the Fourth Proportional to 1,337.16, 2,004.72 and 925.11

Step by Step Solution

1. Step 1: Write the proportion equation
   1,337.16 : 2,004.72 = 925.11 : x
2. Step 2: Convert to fraction form
   1,337.16/2,004.72 = 925.11/x
3. Step 3: Cross multiply
   1,337.16x = 2,004.72 × 925.11
4. Step 4: Simplify right side
   1,337.16x = 1,854,586.52
5. Step 5: Solve for x
   x = 1,854,586.52/1,337.16
6. Step 6: Final answer
   x = 1,386.96