Finding the Fourth Proportional to 12,379.83, 17,082.58 and 7,074.99

Step by Step Solution

1. Step 1: Write the proportion equation
   12,379.83 : 17,082.58 = 7,074.99 : x
2. Step 2: Convert to fraction form
   12,379.83/17,082.58 = 7,074.99/x
3. Step 3: Cross multiply
   12,379.83x = 17,082.58 × 7,074.99
4. Step 4: Simplify right side
   12,379.83x = 120,859,082.67
5. Step 5: Solve for x
   x = 120,859,082.67/12,379.83
6. Step 6: Final answer
   x = 9,762.58