Finding the Fourth Proportional to 10,980.62, 16,471.46 and 3,585.07

Step by Step Solution

1. Step 1: Write the proportion equation
   10,980.62 : 16,471.46 = 3,585.07 : x
2. Step 2: Convert to fraction form
   10,980.62/16,471.46 = 3,585.07/x
3. Step 3: Cross multiply
   10,980.62x = 16,471.46 × 3,585.07
4. Step 4: Simplify right side
   10,980.62x = 59,051,337.10
5. Step 5: Solve for x
   x = 59,051,337.10/10,980.62
6. Step 6: Final answer
   x = 5,377.78