Finding the Fourth Proportional to 10,589.00, 15,880.25 and 3,661.88

Step by Step Solution

1. Step 1: Write the proportion equation
   10,589.00 : 15,880.25 = 3,661.88 : x
2. Step 2: Convert to fraction form
   10,589.00/15,880.25 = 3,661.88/x
3. Step 3: Cross multiply
   10,589.00x = 15,880.25 × 3,661.88
4. Step 4: Simplify right side
   10,589.00x = 58,151,499.62
5. Step 5: Solve for x
   x = 58,151,499.62/10,589.00
6. Step 6: Final answer
   x = 5,491.69