Finding the Fourth Proportional to 12,379.60, 17,083.92 and 7,074.61

Step by Step Solution

1. Step 1: Write the proportion equation
   12,379.60 : 17,083.92 = 7,074.61 : x
2. Step 2: Convert to fraction form
   12,379.60/17,083.92 = 7,074.61/x
3. Step 3: Cross multiply
   12,379.60x = 17,083.92 × 7,074.61
4. Step 4: Simplify right side
   12,379.60x = 120,862,071.27
5. Step 5: Solve for x
   x = 120,862,071.27/12,379.60
6. Step 6: Final answer
   x = 9,763.00