Finding the Fourth Proportional to 8,826.43, 12,180.56 and 4,847.63

Step by Step Solution

1. Step 1: Write the proportion equation
   8,826.43 : 12,180.56 = 4,847.63 : x
2. Step 2: Convert to fraction form
   8,826.43/12,180.56 = 4,847.63/x
3. Step 3: Cross multiply
   8,826.43x = 12,180.56 × 4,847.63
4. Step 4: Simplify right side
   8,826.43x = 59,046,787.17
5. Step 5: Solve for x
   x = 59,046,787.17/8,826.43
6. Step 6: Final answer
   x = 6,689.77