Finding the Fourth Proportional to 10,980.77, 16,471.22 and 3,585.06

Step by Step Solution

1. Step 1: Write the proportion equation
   10,980.77 : 16,471.22 = 3,585.06 : x
2. Step 2: Convert to fraction form
   10,980.77/16,471.22 = 3,585.06/x
3. Step 3: Cross multiply
   10,980.77x = 16,471.22 × 3,585.06
4. Step 4: Simplify right side
   10,980.77x = 59,050,294.05
5. Step 5: Solve for x
   x = 59,050,294.05/10,980.77
6. Step 6: Final answer
   x = 5,377.61