Finding the Fourth Proportional to 12,078.56, 16,666.88 and 7,044.42

Step by Step Solution

1. Step 1: Write the proportion equation
   12,078.56 : 16,666.88 = 7,044.42 : x
2. Step 2: Convert to fraction form
   12,078.56/16,666.88 = 7,044.42/x
3. Step 3: Cross multiply
   12,078.56x = 16,666.88 × 7,044.42
4. Step 4: Simplify right side
   12,078.56x = 117,408,502.81
5. Step 5: Solve for x
   x = 117,408,502.81/12,078.56
6. Step 6: Final answer
   x = 9,720.41