Finding the Fourth Proportional to 9,808.16, 14,718.71 and 5,856.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,808.16 : 14,718.71 = 5,856.50 : x
2. Step 2: Convert to fraction form
   9,808.16/14,718.71 = 5,856.50/x
3. Step 3: Cross multiply
   9,808.16x = 14,718.71 × 5,856.50
4. Step 4: Simplify right side
   9,808.16x = 86,200,176.55
5. Step 5: Solve for x
   x = 86,200,176.55/9,808.16
6. Step 6: Final answer
   x = 8,788.62