Finding the Fourth Proportional to 10,285.97, 15,427.01 and 5,015.69

Step by Step Solution

1. Step 1: Write the proportion equation
   10,285.97 : 15,427.01 = 5,015.69 : x
2. Step 2: Convert to fraction form
   10,285.97/15,427.01 = 5,015.69/x
3. Step 3: Cross multiply
   10,285.97x = 15,427.01 × 5,015.69
4. Step 4: Simplify right side
   10,285.97x = 77,377,099.79
5. Step 5: Solve for x
   x = 77,377,099.79/10,285.97
6. Step 6: Final answer
   x = 7,522.59