Finding the Fourth Proportional to 23,559.76, 32,513.16 and 12,949.48

Step by Step Solution

1. Step 1: Write the proportion equation
   23,559.76 : 32,513.16 = 12,949.48 : x
2. Step 2: Convert to fraction form
   23,559.76/32,513.16 = 12,949.48/x
3. Step 3: Cross multiply
   23,559.76x = 32,513.16 × 12,949.48
4. Step 4: Simplify right side
   23,559.76x = 421,028,515.16
5. Step 5: Solve for x
   x = 421,028,515.16/23,559.76
6. Step 6: Final answer
   x = 17,870.66