Finding the Fourth Proportional to 12,062.30, 18,069.15 and 6,862.10

Step by Step Solution

1. Step 1: Write the proportion equation
   12,062.30 : 18,069.15 = 6,862.10 : x
2. Step 2: Convert to fraction form
   12,062.30/18,069.15 = 6,862.10/x
3. Step 3: Cross multiply
   12,062.30x = 18,069.15 × 6,862.10
4. Step 4: Simplify right side
   12,062.30x = 123,992,314.22
5. Step 5: Solve for x
   x = 123,992,314.22/12,062.30
6. Step 6: Final answer
   x = 10,279.33