Finding the Fourth Proportional to 10,259.87, 14,155.29 and 6,276.83

Step by Step Solution

1. Step 1: Write the proportion equation
   10,259.87 : 14,155.29 = 6,276.83 : x
2. Step 2: Convert to fraction form
   10,259.87/14,155.29 = 6,276.83/x
3. Step 3: Cross multiply
   10,259.87x = 14,155.29 × 6,276.83
4. Step 4: Simplify right side
   10,259.87x = 88,850,278.15
5. Step 5: Solve for x
   x = 88,850,278.15/10,259.87
6. Step 6: Final answer
   x = 8,659.99