Finding the Fourth Proportional to 10,679.90, 14,738.32 and 5,899.79

Step by Step Solution

1. Step 1: Write the proportion equation
   10,679.90 : 14,738.32 = 5,899.79 : x
2. Step 2: Convert to fraction form
   10,679.90/14,738.32 = 5,899.79/x
3. Step 3: Cross multiply
   10,679.90x = 14,738.32 × 5,899.79
4. Step 4: Simplify right side
   10,679.90x = 86,952,954.27
5. Step 5: Solve for x
   x = 86,952,954.27/10,679.90
6. Step 6: Final answer
   x = 8,141.74