Finding the Fourth Proportional to 10,862.10, 16,268.85 and 9,404.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,862.10 : 16,268.85 = 9,404.10 : x
2. Step 2: Convert to fraction form
   10,862.10/16,268.85 = 9,404.10/x
3. Step 3: Cross multiply
   10,862.10x = 16,268.85 × 9,404.10
4. Step 4: Simplify right side
   10,862.10x = 152,993,892.29
5. Step 5: Solve for x
   x = 152,993,892.29/10,862.10
6. Step 6: Final answer
   x = 14,085.11