Finding the Fourth Proportional to 10,072.83, 15,099.97 and 5,396.04

Step by Step Solution

1. Step 1: Write the proportion equation
   10,072.83 : 15,099.97 = 5,396.04 : x
2. Step 2: Convert to fraction form
   10,072.83/15,099.97 = 5,396.04/x
3. Step 3: Cross multiply
   10,072.83x = 15,099.97 × 5,396.04
4. Step 4: Simplify right side
   10,072.83x = 81,480,042.12
5. Step 5: Solve for x
   x = 81,480,042.12/10,072.83
6. Step 6: Final answer
   x = 8,089.09