Finding the Fourth Proportional to 9,762.71, 13,467.46 and 5,986.76

Step by Step Solution

1. Step 1: Write the proportion equation
   9,762.71 : 13,467.46 = 5,986.76 : x
2. Step 2: Convert to fraction form
   9,762.71/13,467.46 = 5,986.76/x
3. Step 3: Cross multiply
   9,762.71x = 13,467.46 × 5,986.76
4. Step 4: Simplify right side
   9,762.71x = 80,626,353.56
5. Step 5: Solve for x
   x = 80,626,353.56/9,762.71
6. Step 6: Final answer
   x = 8,258.61