Finding the Fourth Proportional to 23,393.89, 32,282.35 and 12,781.47

Step by Step Solution

1. Step 1: Write the proportion equation
   23,393.89 : 32,282.35 = 12,781.47 : x
2. Step 2: Convert to fraction form
   23,393.89/32,282.35 = 12,781.47/x
3. Step 3: Cross multiply
   23,393.89x = 32,282.35 × 12,781.47
4. Step 4: Simplify right side
   23,393.89x = 412,615,888.05
5. Step 5: Solve for x
   x = 412,615,888.05/23,393.89
6. Step 6: Final answer
   x = 17,637.76