Finding the Fourth Proportional to 23,559.90, 32,509.98 and 13,491.06

Step by Step Solution

1. Step 1: Write the proportion equation
   23,559.90 : 32,509.98 = 13,491.06 : x
2. Step 2: Convert to fraction form
   23,559.90/32,509.98 = 13,491.06/x
3. Step 3: Cross multiply
   23,559.90x = 32,509.98 × 13,491.06
4. Step 4: Simplify right side
   23,559.90x = 438,594,090.78
5. Step 5: Solve for x
   x = 438,594,090.78/23,559.90
6. Step 6: Final answer
   x = 18,616.13