Finding the Fourth Proportional to 10,659.31, 14,710.15 and 5,879.39

Step by Step Solution

1. Step 1: Write the proportion equation
   10,659.31 : 14,710.15 = 5,879.39 : x
2. Step 2: Convert to fraction form
   10,659.31/14,710.15 = 5,879.39/x
3. Step 3: Cross multiply
   10,659.31x = 14,710.15 × 5,879.39
4. Step 4: Simplify right side
   10,659.31x = 86,486,642.61
5. Step 5: Solve for x
   x = 86,486,642.61/10,659.31
6. Step 6: Final answer
   x = 8,113.72