Finding the Fourth Proportional to 23,838.79, 32,897.04 and 13,228.18

Step by Step Solution

1. Step 1: Write the proportion equation
   23,838.79 : 32,897.04 = 13,228.18 : x
2. Step 2: Convert to fraction form
   23,838.79/32,897.04 = 13,228.18/x
3. Step 3: Cross multiply
   23,838.79x = 32,897.04 × 13,228.18
4. Step 4: Simplify right side
   23,838.79x = 435,167,966.59
5. Step 5: Solve for x
   x = 435,167,966.59/23,838.79
6. Step 6: Final answer
   x = 18,254.62