Finding the Fourth Proportional to 10,694.86, 14,759.70 and 5,978.86

Step by Step Solution

1. Step 1: Write the proportion equation
   10,694.86 : 14,759.70 = 5,978.86 : x
2. Step 2: Convert to fraction form
   10,694.86/14,759.70 = 5,978.86/x
3. Step 3: Cross multiply
   10,694.86x = 14,759.70 × 5,978.86
4. Step 4: Simplify right side
   10,694.86x = 88,246,179.94
5. Step 5: Solve for x
   x = 88,246,179.94/10,694.86
6. Step 6: Final answer
   x = 8,251.27