Finding the Fourth Proportional to 10,778.04, 14,879.52 and 7,259.88

Step by Step Solution

1. Step 1: Write the proportion equation
   10,778.04 : 14,879.52 = 7,259.88 : x
2. Step 2: Convert to fraction form
   10,778.04/14,879.52 = 7,259.88/x
3. Step 3: Cross multiply
   10,778.04x = 14,879.52 × 7,259.88
4. Step 4: Simplify right side
   10,778.04x = 108,023,529.66
5. Step 5: Solve for x
   x = 108,023,529.66/10,778.04
6. Step 6: Final answer
   x = 10,022.56