Finding the Fourth Proportional to 12,074.89, 16,662.66 and 7,039.93

Step by Step Solution

1. Step 1: Write the proportion equation
   12,074.89 : 16,662.66 = 7,039.93 : x
2. Step 2: Convert to fraction form
   12,074.89/16,662.66 = 7,039.93/x
3. Step 3: Cross multiply
   12,074.89x = 16,662.66 × 7,039.93
4. Step 4: Simplify right side
   12,074.89x = 117,303,960.01
5. Step 5: Solve for x
   x = 117,303,960.01/12,074.89
6. Step 6: Final answer
   x = 9,714.70