Finding the Fourth Proportional to 8,748.68, 12,081.38 and 5,610.32

Step by Step Solution

1. Step 1: Write the proportion equation
   8,748.68 : 12,081.38 = 5,610.32 : x
2. Step 2: Convert to fraction form
   8,748.68/12,081.38 = 5,610.32/x
3. Step 3: Cross multiply
   8,748.68x = 12,081.38 × 5,610.32
4. Step 4: Simplify right side
   8,748.68x = 67,780,407.84
5. Step 5: Solve for x
   x = 67,780,407.84/8,748.68
6. Step 6: Final answer
   x = 7,747.50