Finding the Fourth Proportional to 12,074.58, 16,662.24 and 7,039.62

Step by Step Solution

1. Step 1: Write the proportion equation
   12,074.58 : 16,662.24 = 7,039.62 : x
2. Step 2: Convert to fraction form
   12,074.58/16,662.24 = 7,039.62/x
3. Step 3: Cross multiply
   12,074.58x = 16,662.24 × 7,039.62
4. Step 4: Simplify right side
   12,074.58x = 117,295,837.95
5. Step 5: Solve for x
   x = 117,295,837.95/12,074.58
6. Step 6: Final answer
   x = 9,714.28