Finding the Fourth Proportional to 1,554.24, 2,331.20 and 732.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,554.24 : 2,331.20 = 732.72 : x
2. Step 2: Convert to fraction form
   1,554.24/2,331.20 = 732.72/x
3. Step 3: Cross multiply
   1,554.24x = 2,331.20 × 732.72
4. Step 4: Simplify right side
   1,554.24x = 1,708,116.86
5. Step 5: Solve for x
   x = 1,708,116.86/1,554.24
6. Step 6: Final answer
   x = 1,099.00