Finding the Fourth Proportional to 23,769.40, 32,801.56 and 13,158.76

Step by Step Solution

1. Step 1: Write the proportion equation
   23,769.40 : 32,801.56 = 13,158.76 : x
2. Step 2: Convert to fraction form
   23,769.40/32,801.56 = 13,158.76/x
3. Step 3: Cross multiply
   23,769.40x = 32,801.56 × 13,158.76
4. Step 4: Simplify right side
   23,769.40x = 431,627,855.67
5. Step 5: Solve for x
   x = 431,627,855.67/23,769.40
6. Step 6: Final answer
   x = 18,158.97