Finding the Fourth Proportional to 2,916.43, 4,372.18 and 1,160.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,916.43 : 4,372.18 = 1,160.32 : x
2. Step 2: Convert to fraction form
   2,916.43/4,372.18 = 1,160.32/x
3. Step 3: Cross multiply
   2,916.43x = 4,372.18 × 1,160.32
4. Step 4: Simplify right side
   2,916.43x = 5,073,127.90
5. Step 5: Solve for x
   x = 5,073,127.90/2,916.43
6. Step 6: Final answer
   x = 1,739.50