Finding the Fourth Proportional to 9,353.92, 12,908.44 and 5,105.06

Step by Step Solution

1. Step 1: Write the proportion equation
   9,353.92 : 12,908.44 = 5,105.06 : x
2. Step 2: Convert to fraction form
   9,353.92/12,908.44 = 5,105.06/x
3. Step 3: Cross multiply
   9,353.92x = 12,908.44 × 5,105.06
4. Step 4: Simplify right side
   9,353.92x = 65,898,360.71
5. Step 5: Solve for x
   x = 65,898,360.71/9,353.92
6. Step 6: Final answer
   x = 7,045.00