Finding the Fourth Proportional to 23,498.22, 32,429.58 and 12,889.92

Step by Step Solution

1. Step 1: Write the proportion equation
   23,498.22 : 32,429.58 = 12,889.92 : x
2. Step 2: Convert to fraction form
   23,498.22/32,429.58 = 12,889.92/x
3. Step 3: Cross multiply
   23,498.22x = 32,429.58 × 12,889.92
4. Step 4: Simplify right side
   23,498.22x = 418,014,691.83
5. Step 5: Solve for x
   x = 418,014,691.83/23,498.22
6. Step 6: Final answer
   x = 17,789.21