Finding the Fourth Proportional to 23,948.61, 33,047.78 and 13,191.38

Step by Step Solution

1. Step 1: Write the proportion equation
   23,948.61 : 33,047.78 = 13,191.38 : x
2. Step 2: Convert to fraction form
   23,948.61/33,047.78 = 13,191.38/x
3. Step 3: Cross multiply
   23,948.61x = 33,047.78 × 13,191.38
4. Step 4: Simplify right side
   23,948.61x = 435,945,592.94
5. Step 5: Solve for x
   x = 435,945,592.94/23,948.61
6. Step 6: Final answer
   x = 18,203.38