Finding the Fourth Proportional to 1,660.17, 2,487.18 and 1,132.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,660.17 : 2,487.18 = 1,132.83 : x
2. Step 2: Convert to fraction form
   1,660.17/2,487.18 = 1,132.83/x
3. Step 3: Cross multiply
   1,660.17x = 2,487.18 × 1,132.83
4. Step 4: Simplify right side
   1,660.17x = 2,817,552.12
5. Step 5: Solve for x
   x = 2,817,552.12/1,660.17
6. Step 6: Final answer
   x = 1,697.15