Finding the Fourth Proportional to 23,561.94, 32,517.72 and 13,491.18

Step by Step Solution

1. Step 1: Write the proportion equation
   23,561.94 : 32,517.72 = 13,491.18 : x
2. Step 2: Convert to fraction form
   23,561.94/32,517.72 = 13,491.18/x
3. Step 3: Cross multiply
   23,561.94x = 32,517.72 × 13,491.18
4. Step 4: Simplify right side
   23,561.94x = 438,702,413.71
5. Step 5: Solve for x
   x = 438,702,413.71/23,561.94
6. Step 6: Final answer
   x = 18,619.11