Finding the Fourth Proportional to 2,431.32, 3,648.21 and 1,132.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,431.32 : 3,648.21 = 1,132.62 : x
2. Step 2: Convert to fraction form
   2,431.32/3,648.21 = 1,132.62/x
3. Step 3: Cross multiply
   2,431.32x = 3,648.21 × 1,132.62
4. Step 4: Simplify right side
   2,431.32x = 4,132,035.61
5. Step 5: Solve for x
   x = 4,132,035.61/2,431.32
6. Step 6: Final answer
   x = 1,699.50