Finding the Fourth Proportional to 1,080.53, 1,491.46 and 1,002.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,080.53 : 1,491.46 = 1,002.62 : x
2. Step 2: Convert to fraction form
   1,080.53/1,491.46 = 1,002.62/x
3. Step 3: Cross multiply
   1,080.53x = 1,491.46 × 1,002.62
4. Step 4: Simplify right side
   1,080.53x = 1,495,368.85
5. Step 5: Solve for x
   x = 1,495,368.85/1,080.53
6. Step 6: Final answer
   x = 1,383.92