Finding the Fourth Proportional to 8,796.50, 12,139.37 and 4,817.58

Step by Step Solution

1. Step 1: Write the proportion equation
   8,796.50 : 12,139.37 = 4,817.58 : x
2. Step 2: Convert to fraction form
   8,796.50/12,139.37 = 4,817.58/x
3. Step 3: Cross multiply
   8,796.50x = 12,139.37 × 4,817.58
4. Step 4: Simplify right side
   8,796.50x = 58,482,334.58
5. Step 5: Solve for x
   x = 58,482,334.58/8,796.50
6. Step 6: Final answer
   x = 6,648.37