Finding the Fourth Proportional to 8,627.72, 11,902.06 and 5,088.88

Step by Step Solution

1. Step 1: Write the proportion equation
   8,627.72 : 11,902.06 = 5,088.88 : x
2. Step 2: Convert to fraction form
   8,627.72/11,902.06 = 5,088.88/x
3. Step 3: Cross multiply
   8,627.72x = 11,902.06 × 5,088.88
4. Step 4: Simplify right side
   8,627.72x = 60,568,123.69
5. Step 5: Solve for x
   x = 60,568,123.69/8,627.72
6. Step 6: Final answer
   x = 7,020.18