Finding the Fourth Proportional to 23,838.51, 32,898.29 and 13,228.23

Step by Step Solution

1. Step 1: Write the proportion equation
   23,838.51 : 32,898.29 = 13,228.23 : x
2. Step 2: Convert to fraction form
   23,838.51/32,898.29 = 13,228.23/x
3. Step 3: Cross multiply
   23,838.51x = 32,898.29 × 13,228.23
4. Step 4: Simplify right side
   23,838.51x = 435,186,080.59
5. Step 5: Solve for x
   x = 435,186,080.59/23,838.51
6. Step 6: Final answer
   x = 18,255.59