Finding the Fourth Proportional to 8,777.95, 12,112.06 and 5,000.71

Step by Step Solution

1. Step 1: Write the proportion equation
   8,777.95 : 12,112.06 = 5,000.71 : x
2. Step 2: Convert to fraction form
   8,777.95/12,112.06 = 5,000.71/x
3. Step 3: Cross multiply
   8,777.95x = 12,112.06 × 5,000.71
4. Step 4: Simplify right side
   8,777.95x = 60,568,899.56
5. Step 5: Solve for x
   x = 60,568,899.56/8,777.95
6. Step 6: Final answer
   x = 6,900.12