Finding the Fourth Proportional to 1,339.10, 2,004.06 and 925.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,339.10 : 2,004.06 = 925.46 : x
2. Step 2: Convert to fraction form
   1,339.10/2,004.06 = 925.46/x
3. Step 3: Cross multiply
   1,339.10x = 2,004.06 × 925.46
4. Step 4: Simplify right side
   1,339.10x = 1,854,677.37
5. Step 5: Solve for x
   x = 1,854,677.37/1,339.10
6. Step 6: Final answer
   x = 1,385.02