Finding the Fourth Proportional to 1,082.32, 1,483.86 and 1,062.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,082.32 : 1,483.86 = 1,062.88 : x
2. Step 2: Convert to fraction form
   1,082.32/1,483.86 = 1,062.88/x
3. Step 3: Cross multiply
   1,082.32x = 1,483.86 × 1,062.88
4. Step 4: Simplify right side
   1,082.32x = 1,577,165.12
5. Step 5: Solve for x
   x = 1,577,165.12/1,082.32
6. Step 6: Final answer
   x = 1,457.21