Finding the Fourth Proportional to 23,798.16, 32,843.46 and 13,188.78

Step by Step Solution

1. Step 1: Write the proportion equation
   23,798.16 : 32,843.46 = 13,188.78 : x
2. Step 2: Convert to fraction form
   23,798.16/32,843.46 = 13,188.78/x
3. Step 3: Cross multiply
   23,798.16x = 32,843.46 × 13,188.78
4. Step 4: Simplify right side
   23,798.16x = 433,165,168.38
5. Step 5: Solve for x
   x = 433,165,168.38/23,798.16
6. Step 6: Final answer
   x = 18,201.62