Finding the Fourth Proportional to 10,273.29, 15,397.57 and 5,340.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,273.29 : 15,397.57 = 5,340.12 : x
2. Step 2: Convert to fraction form
   10,273.29/15,397.57 = 5,340.12/x
3. Step 3: Cross multiply
   10,273.29x = 15,397.57 × 5,340.12
4. Step 4: Simplify right side
   10,273.29x = 82,224,871.51
5. Step 5: Solve for x
   x = 82,224,871.51/10,273.29
6. Step 6: Final answer
   x = 8,003.75