Finding the Fourth Proportional to 23,617.20, 32,594.05 and 17,638.50

Step by Step Solution

1. Step 1: Write the proportion equation
   23,617.20 : 32,594.05 = 17,638.50 : x
2. Step 2: Convert to fraction form
   23,617.20/32,594.05 = 17,638.50/x
3. Step 3: Cross multiply
   23,617.20x = 32,594.05 × 17,638.50
4. Step 4: Simplify right side
   23,617.20x = 574,909,943.86
5. Step 5: Solve for x
   x = 574,909,943.86/23,617.20
6. Step 6: Final answer
   x = 24,342.85