Finding the Fourth Proportional to 23,738.23, 32,758.97 and 13,128.04

Step by Step Solution

1. Step 1: Write the proportion equation
   23,738.23 : 32,758.97 = 13,128.04 : x
2. Step 2: Convert to fraction form
   23,738.23/32,758.97 = 13,128.04/x
3. Step 3: Cross multiply
   23,738.23x = 32,758.97 × 13,128.04
4. Step 4: Simplify right side
   23,738.23x = 430,061,068.52
5. Step 5: Solve for x
   x = 430,061,068.52/23,738.23
6. Step 6: Final answer
   x = 18,116.81