Finding the Fourth Proportional to 23,477.92, 32,400.28 and 12,868.22

Step by Step Solution

1. Step 1: Write the proportion equation
   23,477.92 : 32,400.28 = 12,868.22 : x
2. Step 2: Convert to fraction form
   23,477.92/32,400.28 = 12,868.22/x
3. Step 3: Cross multiply
   23,477.92x = 32,400.28 × 12,868.22
4. Step 4: Simplify right side
   23,477.92x = 416,933,931.10
5. Step 5: Solve for x
   x = 416,933,931.10/23,477.92
6. Step 6: Final answer
   x = 17,758.55