Finding the Fourth Proportional to 23,479.98, 32,401.16 and 12,867.56

Step by Step Solution

1. Step 1: Write the proportion equation
   23,479.98 : 32,401.16 = 12,867.56 : x
2. Step 2: Convert to fraction form
   23,479.98/32,401.16 = 12,867.56/x
3. Step 3: Cross multiply
   23,479.98x = 32,401.16 × 12,867.56
4. Step 4: Simplify right side
   23,479.98x = 416,923,886.16
5. Step 5: Solve for x
   x = 416,923,886.16/23,479.98
6. Step 6: Final answer
   x = 17,756.57