Finding the Fourth Proportional to 8,105.61, 11,188.54 and 4,749.51

Step by Step Solution

1. Step 1: Write the proportion equation
   8,105.61 : 11,188.54 = 4,749.51 : x
2. Step 2: Convert to fraction form
   8,105.61/11,188.54 = 4,749.51/x
3. Step 3: Cross multiply
   8,105.61x = 11,188.54 × 4,749.51
4. Step 4: Simplify right side
   8,105.61x = 53,140,098.71
5. Step 5: Solve for x
   x = 53,140,098.71/8,105.61
6. Step 6: Final answer
   x = 6,555.96