Finding the Fourth Proportional to 23,272.88, 32,111.28 and 13,198.92

Step by Step Solution

1. Step 1: Write the proportion equation
   23,272.88 : 32,111.28 = 13,198.92 : x
2. Step 2: Convert to fraction form
   23,272.88/32,111.28 = 13,198.92/x
3. Step 3: Cross multiply
   23,272.88x = 32,111.28 × 13,198.92
4. Step 4: Simplify right side
   23,272.88x = 423,834,215.82
5. Step 5: Solve for x
   x = 423,834,215.82/23,272.88
6. Step 6: Final answer
   x = 18,211.51