Finding the Fourth Proportional to 8,740.35, 12,061.77 and 4,963.60

Step by Step Solution

1. Step 1: Write the proportion equation
   8,740.35 : 12,061.77 = 4,963.60 : x
2. Step 2: Convert to fraction form
   8,740.35/12,061.77 = 4,963.60/x
3. Step 3: Cross multiply
   8,740.35x = 12,061.77 × 4,963.60
4. Step 4: Simplify right side
   8,740.35x = 59,869,801.57
5. Step 5: Solve for x
   x = 59,869,801.57/8,740.35
6. Step 6: Final answer
   x = 6,849.82