Finding the Fourth Proportional to 1,446.89, 2,170.35 and 1,160.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,446.89 : 2,170.35 = 1,160.15 : x
2. Step 2: Convert to fraction form
   1,446.89/2,170.35 = 1,160.15/x
3. Step 3: Cross multiply
   1,446.89x = 2,170.35 × 1,160.15
4. Step 4: Simplify right side
   1,446.89x = 2,517,931.55
5. Step 5: Solve for x
   x = 2,517,931.55/1,446.89
6. Step 6: Final answer
   x = 1,740.24