Finding the Fourth Proportional to 12,109.03, 16,709.69 and 7,074.68

Step by Step Solution

1. Step 1: Write the proportion equation
   12,109.03 : 16,709.69 = 7,074.68 : x
2. Step 2: Convert to fraction form
   12,109.03/16,709.69 = 7,074.68/x
3. Step 3: Cross multiply
   12,109.03x = 16,709.69 × 7,074.68
4. Step 4: Simplify right side
   12,109.03x = 118,215,643.79
5. Step 5: Solve for x
   x = 118,215,643.79/12,109.03
6. Step 6: Final answer
   x = 9,762.60