Finding the Fourth Proportional to 1,045.30, 1,567.98 and 925.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,045.30 : 1,567.98 = 925.06 : x
2. Step 2: Convert to fraction form
   1,045.30/1,567.98 = 925.06/x
3. Step 3: Cross multiply
   1,045.30x = 1,567.98 × 925.06
4. Step 4: Simplify right side
   1,045.30x = 1,450,475.58
5. Step 5: Solve for x
   x = 1,450,475.58/1,045.30
6. Step 6: Final answer
   x = 1,387.62