Finding the Fourth Proportional to 23,494.83, 32,418.72 and 13,421.88

Step by Step Solution

1. Step 1: Write the proportion equation
   23,494.83 : 32,418.72 = 13,421.88 : x
2. Step 2: Convert to fraction form
   23,494.83/32,418.72 = 13,421.88/x
3. Step 3: Cross multiply
   23,494.83x = 32,418.72 × 13,421.88
4. Step 4: Simplify right side
   23,494.83x = 435,120,169.59
5. Step 5: Solve for x
   x = 435,120,169.59/23,494.83
6. Step 6: Final answer
   x = 18,519.83