Finding the Fourth Proportional to 2,932.32, 4,395.30 and 1,081.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,932.32 : 4,395.30 = 1,081.88 : x
2. Step 2: Convert to fraction form
   2,932.32/4,395.30 = 1,081.88/x
3. Step 3: Cross multiply
   2,932.32x = 4,395.30 × 1,081.88
4. Step 4: Simplify right side
   2,932.32x = 4,755,177.61
5. Step 5: Solve for x
   x = 4,755,177.61/2,932.32
6. Step 6: Final answer
   x = 1,621.64