Finding the Fourth Proportional to 1,468.55, 2,200.90 and 1,120.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,468.55 : 2,200.90 = 1,120.61 : x
2. Step 2: Convert to fraction form
   1,468.55/2,200.90 = 1,120.61/x
3. Step 3: Cross multiply
   1,468.55x = 2,200.90 × 1,120.61
4. Step 4: Simplify right side
   1,468.55x = 2,466,350.55
5. Step 5: Solve for x
   x = 2,466,350.55/1,468.55
6. Step 6: Final answer
   x = 1,679.45