Finding the Fourth Proportional to 23,422.26, 32,322.72 and 12,811.92

Step by Step Solution

1. Step 1: Write the proportion equation
   23,422.26 : 32,322.72 = 12,811.92 : x
2. Step 2: Convert to fraction form
   23,422.26/32,322.72 = 12,811.92/x
3. Step 3: Cross multiply
   23,422.26x = 32,322.72 × 12,811.92
4. Step 4: Simplify right side
   23,422.26x = 414,116,102.82
5. Step 5: Solve for x
   x = 414,116,102.82/23,422.26
6. Step 6: Final answer
   x = 17,680.45