Finding the Fourth Proportional to 10,470.97, 14,449.69 and 5,690.79

Step by Step Solution

1. Step 1: Write the proportion equation
   10,470.97 : 14,449.69 = 5,690.79 : x
2. Step 2: Convert to fraction form
   10,470.97/14,449.69 = 5,690.79/x
3. Step 3: Cross multiply
   10,470.97x = 14,449.69 × 5,690.79
4. Step 4: Simplify right side
   10,470.97x = 82,230,158.47
5. Step 5: Solve for x
   x = 82,230,158.47/10,470.97
6. Step 6: Final answer
   x = 7,853.15