Finding the Fourth Proportional to 10,088.89, 15,100.97 and 5,397.17

Step by Step Solution

1. Step 1: Write the proportion equation
   10,088.89 : 15,100.97 = 5,397.17 : x
2. Step 2: Convert to fraction form
   10,088.89/15,100.97 = 5,397.17/x
3. Step 3: Cross multiply
   10,088.89x = 15,100.97 × 5,397.17
4. Step 4: Simplify right side
   10,088.89x = 81,502,399.76
5. Step 5: Solve for x
   x = 81,502,399.76/10,088.89
6. Step 6: Final answer
   x = 8,078.43