Finding the Fourth Proportional to 10,980.63, 16,471.47 and 3,585.06

Step by Step Solution

1. Step 1: Write the proportion equation
   10,980.63 : 16,471.47 = 3,585.06 : x
2. Step 2: Convert to fraction form
   10,980.63/16,471.47 = 3,585.06/x
3. Step 3: Cross multiply
   10,980.63x = 16,471.47 × 3,585.06
4. Step 4: Simplify right side
   10,980.63x = 59,051,208.24
5. Step 5: Solve for x
   x = 59,051,208.24/10,980.63
6. Step 6: Final answer
   x = 5,377.76