Finding the Fourth Proportional to 8,777.91, 12,114.33 and 4,799.60

Step by Step Solution

1. Step 1: Write the proportion equation
   8,777.91 : 12,114.33 = 4,799.60 : x
2. Step 2: Convert to fraction form
   8,777.91/12,114.33 = 4,799.60/x
3. Step 3: Cross multiply
   8,777.91x = 12,114.33 × 4,799.60
4. Step 4: Simplify right side
   8,777.91x = 58,143,938.27
5. Step 5: Solve for x
   x = 58,143,938.27/8,777.91
6. Step 6: Final answer
   x = 6,623.89