Finding the Fourth Proportional to 23,615.48, 32,589.72 and 12,860.76

Step by Step Solution

1. Step 1: Write the proportion equation
   23,615.48 : 32,589.72 = 12,860.76 : x
2. Step 2: Convert to fraction form
   23,615.48/32,589.72 = 12,860.76/x
3. Step 3: Cross multiply
   23,615.48x = 32,589.72 × 12,860.76
4. Step 4: Simplify right side
   23,615.48x = 419,128,567.39
5. Step 5: Solve for x
   x = 419,128,567.39/23,615.48
6. Step 6: Final answer
   x = 17,748.04