Finding the Fourth Proportional to 8,929.72, 12,337.85 and 7,055.69

Step by Step Solution

1. Step 1: Write the proportion equation
   8,929.72 : 12,337.85 = 7,055.69 : x
2. Step 2: Convert to fraction form
   8,929.72/12,337.85 = 7,055.69/x
3. Step 3: Cross multiply
   8,929.72x = 12,337.85 × 7,055.69
4. Step 4: Simplify right side
   8,929.72x = 87,052,000.82
5. Step 5: Solve for x
   x = 87,052,000.82/8,929.72
6. Step 6: Final answer
   x = 9,748.57