Finding the Fourth Proportional to 1,041.52, 1,436.82 and 731.20

Step by Step Solution

1. Step 1: Write the proportion equation
   1,041.52 : 1,436.82 = 731.20 : x
2. Step 2: Convert to fraction form
   1,041.52/1,436.82 = 731.20/x
3. Step 3: Cross multiply
   1,041.52x = 1,436.82 × 731.20
4. Step 4: Simplify right side
   1,041.52x = 1,050,602.78
5. Step 5: Solve for x
   x = 1,050,602.78/1,041.52
6. Step 6: Final answer
   x = 1,008.72