Finding the Fourth Proportional to 23,817.56, 32,868.10 and 13,208.76

Step by Step Solution

1. Step 1: Write the proportion equation
   23,817.56 : 32,868.10 = 13,208.76 : x
2. Step 2: Convert to fraction form
   23,817.56/32,868.10 = 13,208.76/x
3. Step 3: Cross multiply
   23,817.56x = 32,868.10 × 13,208.76
4. Step 4: Simplify right side
   23,817.56x = 434,146,844.56
5. Step 5: Solve for x
   x = 434,146,844.56/23,817.56
6. Step 6: Final answer
   x = 18,228.02