Finding the Fourth Proportional to 23,769.60, 32,797.52 and 13,158.72

Step by Step Solution

1. Step 1: Write the proportion equation
   23,769.60 : 32,797.52 = 13,158.72 : x
2. Step 2: Convert to fraction form
   23,769.60/32,797.52 = 13,158.72/x
3. Step 3: Cross multiply
   23,769.60x = 32,797.52 × 13,158.72
4. Step 4: Simplify right side
   23,769.60x = 431,573,382.37
5. Step 5: Solve for x
   x = 431,573,382.37/23,769.60
6. Step 6: Final answer
   x = 18,156.53