Finding the Fourth Proportional to 23,659.89, 32,650.40 and 13,591.48

Step by Step Solution

1. Step 1: Write the proportion equation
   23,659.89 : 32,650.40 = 13,591.48 : x
2. Step 2: Convert to fraction form
   23,659.89/32,650.40 = 13,591.48/x
3. Step 3: Cross multiply
   23,659.89x = 32,650.40 × 13,591.48
4. Step 4: Simplify right side
   23,659.89x = 443,767,258.59
5. Step 5: Solve for x
   x = 443,767,258.59/23,659.89
6. Step 6: Final answer
   x = 18,756.10