Finding the Fourth Proportional to 10,269.32, 15,396.77 and 5,259.38

Step by Step Solution

1. Step 1: Write the proportion equation
   10,269.32 : 15,396.77 = 5,259.38 : x
2. Step 2: Convert to fraction form
   10,269.32/15,396.77 = 5,259.38/x
3. Step 3: Cross multiply
   10,269.32x = 15,396.77 × 5,259.38
4. Step 4: Simplify right side
   10,269.32x = 80,977,360.92
5. Step 5: Solve for x
   x = 80,977,360.92/10,269.32
6. Step 6: Final answer
   x = 7,885.37