Finding the Fourth Proportional to 7,291.50, 10,062.27 and 3,979.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,291.50 : 10,062.27 = 3,979.50 : x
2. Step 2: Convert to fraction form
   7,291.50/10,062.27 = 3,979.50/x
3. Step 3: Cross multiply
   7,291.50x = 10,062.27 × 3,979.50
4. Step 4: Simplify right side
   7,291.50x = 40,042,803.47
5. Step 5: Solve for x
   x = 40,042,803.47/7,291.50
6. Step 6: Final answer
   x = 5,491.71