Finding the Fourth Proportional to 10,694.38, 14,758.58 and 5,978.65

Step by Step Solution

1. Step 1: Write the proportion equation
   10,694.38 : 14,758.58 = 5,978.65 : x
2. Step 2: Convert to fraction form
   10,694.38/14,758.58 = 5,978.65/x
3. Step 3: Cross multiply
   10,694.38x = 14,758.58 × 5,978.65
4. Step 4: Simplify right side
   10,694.38x = 88,236,384.32
5. Step 5: Solve for x
   x = 88,236,384.32/10,694.38
6. Step 6: Final answer
   x = 8,250.72