Finding the Fourth Proportional to 8,796.74, 12,139.54 and 4,817.88

Step by Step Solution

1. Step 1: Write the proportion equation
   8,796.74 : 12,139.54 = 4,817.88 : x
2. Step 2: Convert to fraction form
   8,796.74/12,139.54 = 4,817.88/x
3. Step 3: Cross multiply
   8,796.74x = 12,139.54 × 4,817.88
4. Step 4: Simplify right side
   8,796.74x = 58,486,846.98
5. Step 5: Solve for x
   x = 58,486,846.98/8,796.74
6. Step 6: Final answer
   x = 6,648.70