Finding the Fourth Proportional to 8,065.77, 12,091.37 and 2,870.43

Step by Step Solution

1. Step 1: Write the proportion equation
   8,065.77 : 12,091.37 = 2,870.43 : x
2. Step 2: Convert to fraction form
   8,065.77/12,091.37 = 2,870.43/x
3. Step 3: Cross multiply
   8,065.77x = 12,091.37 × 2,870.43
4. Step 4: Simplify right side
   8,065.77x = 34,707,416.84
5. Step 5: Solve for x
   x = 34,707,416.84/8,065.77
6. Step 6: Final answer
   x = 4,303.05