Finding the Fourth Proportional to 23,501.76, 32,421.12 and 13,560

Step by Step Solution

1. Step 1: Write the proportion equation
   23,501.76 : 32,421.12 = 13,560 : x
2. Step 2: Convert to fraction form
   23,501.76/32,421.12 = 13,560/x
3. Step 3: Cross multiply
   23,501.76x = 32,421.12 × 13,560
4. Step 4: Simplify right side
   23,501.76x = 439,630,387.20
5. Step 5: Solve for x
   x = 439,630,387.20/23,501.76
6. Step 6: Final answer
   x = 18,706.28