Finding the Fourth Proportional to 6,545.72, 9,820.02 and 3,086.84

Step by Step Solution

1. Step 1: Write the proportion equation
   6,545.72 : 9,820.02 = 3,086.84 : x
2. Step 2: Convert to fraction form
   6,545.72/9,820.02 = 3,086.84/x
3. Step 3: Cross multiply
   6,545.72x = 9,820.02 × 3,086.84
4. Step 4: Simplify right side
   6,545.72x = 30,312,830.54
5. Step 5: Solve for x
   x = 30,312,830.54/6,545.72
6. Step 6: Final answer
   x = 4,630.94