Finding the Fourth Proportional to 1,456.55, 2,010.72 and 932.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,456.55 : 2,010.72 = 932.88 : x
2. Step 2: Convert to fraction form
   1,456.55/2,010.72 = 932.88/x
3. Step 3: Cross multiply
   1,456.55x = 2,010.72 × 932.88
4. Step 4: Simplify right side
   1,456.55x = 1,875,760.47
5. Step 5: Solve for x
   x = 1,875,760.47/1,456.55
6. Step 6: Final answer
   x = 1,287.81