Finding the Fourth Proportional to 8,088.76, 12,128.16 and 3,707.56

Step by Step Solution

1. Step 1: Write the proportion equation
   8,088.76 : 12,128.16 = 3,707.56 : x
2. Step 2: Convert to fraction form
   8,088.76/12,128.16 = 3,707.56/x
3. Step 3: Cross multiply
   8,088.76x = 12,128.16 × 3,707.56
4. Step 4: Simplify right side
   8,088.76x = 44,965,880.89
5. Step 5: Solve for x
   x = 44,965,880.89/8,088.76
6. Step 6: Final answer
   x = 5,559.06