Finding the Fourth Proportional to 17,250.80, 23,805.78 and 10,876.10

Step by Step Solution

1. Step 1: Write the proportion equation
   17,250.80 : 23,805.78 = 10,876.10 : x
2. Step 2: Convert to fraction form
   17,250.80/23,805.78 = 10,876.10/x
3. Step 3: Cross multiply
   17,250.80x = 23,805.78 × 10,876.10
4. Step 4: Simplify right side
   17,250.80x = 258,914,043.86
5. Step 5: Solve for x
   x = 258,914,043.86/17,250.80
6. Step 6: Final answer
   x = 15,008.81