Finding the Fourth Proportional to 10,680.27, 14,739 and 5,900.20

Step by Step Solution

1. Step 1: Write the proportion equation
   10,680.27 : 14,739 = 5,900.20 : x
2. Step 2: Convert to fraction form
   10,680.27/14,739 = 5,900.20/x
3. Step 3: Cross multiply
   10,680.27x = 14,739 × 5,900.20
4. Step 4: Simplify right side
   10,680.27x = 86,963,047.80
5. Step 5: Solve for x
   x = 86,963,047.80/10,680.27
6. Step 6: Final answer
   x = 8,142.40