Finding the Fourth Proportional to 23,494.69, 32,422.66 and 12,884.55

Step by Step Solution

1. Step 1: Write the proportion equation
   23,494.69 : 32,422.66 = 12,884.55 : x
2. Step 2: Convert to fraction form
   23,494.69/32,422.66 = 12,884.55/x
3. Step 3: Cross multiply
   23,494.69x = 32,422.66 × 12,884.55
4. Step 4: Simplify right side
   23,494.69x = 417,751,383.90
5. Step 5: Solve for x
   x = 417,751,383.90/23,494.69
6. Step 6: Final answer
   x = 17,780.67