Finding the Fourth Proportional to 10,980.29, 16,472.72 and 3,585.17

Step by Step Solution

1. Step 1: Write the proportion equation
   10,980.29 : 16,472.72 = 3,585.17 : x
2. Step 2: Convert to fraction form
   10,980.29/16,472.72 = 3,585.17/x
3. Step 3: Cross multiply
   10,980.29x = 16,472.72 × 3,585.17
4. Step 4: Simplify right side
   10,980.29x = 59,057,428.16
5. Step 5: Solve for x
   x = 59,057,428.16/10,980.29
6. Step 6: Final answer
   x = 5,378.50