Finding the Fourth Proportional to 10,980.63, 16,471.25 and 3,585.53

Step by Step Solution

1. Step 1: Write the proportion equation
   10,980.63 : 16,471.25 = 3,585.53 : x
2. Step 2: Convert to fraction form
   10,980.63/16,471.25 = 3,585.53/x
3. Step 3: Cross multiply
   10,980.63x = 16,471.25 × 3,585.53
4. Step 4: Simplify right side
   10,980.63x = 59,058,060.73
5. Step 5: Solve for x
   x = 59,058,060.73/10,980.63
6. Step 6: Final answer
   x = 5,378.39