Finding the Fourth Proportional to 8,902.95, 12,280.82 and 5,546.31

Step by Step Solution

1. Step 1: Write the proportion equation
   8,902.95 : 12,280.82 = 5,546.31 : x
2. Step 2: Convert to fraction form
   8,902.95/12,280.82 = 5,546.31/x
3. Step 3: Cross multiply
   8,902.95x = 12,280.82 × 5,546.31
4. Step 4: Simplify right side
   8,902.95x = 68,113,207.04
5. Step 5: Solve for x
   x = 68,113,207.04/8,902.95
6. Step 6: Final answer
   x = 7,650.63