Finding the Fourth Proportional to 1,092.10, 1,507.26 and 672.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,092.10 : 1,507.26 = 672.52 : x
2. Step 2: Convert to fraction form
   1,092.10/1,507.26 = 672.52/x
3. Step 3: Cross multiply
   1,092.10x = 1,507.26 × 672.52
4. Step 4: Simplify right side
   1,092.10x = 1,013,662.50
5. Step 5: Solve for x
   x = 1,013,662.50/1,092.10
6. Step 6: Final answer
   x = 928.18