Finding the Fourth Proportional to 23,728.32, 32,748.34 and 13,656.56

Step by Step Solution

1. Step 1: Write the proportion equation
   23,728.32 : 32,748.34 = 13,656.56 : x
2. Step 2: Convert to fraction form
   23,728.32/32,748.34 = 13,656.56/x
3. Step 3: Cross multiply
   23,728.32x = 32,748.34 × 13,656.56
4. Step 4: Simplify right side
   23,728.32x = 447,229,670.11
5. Step 5: Solve for x
   x = 447,229,670.11/23,728.32
6. Step 6: Final answer
   x = 18,847.93