Finding the Fourth Proportional to 8,051.40, 12,073.86 and 2,856.06

Step by Step Solution

1. Step 1: Write the proportion equation
   8,051.40 : 12,073.86 = 2,856.06 : x
2. Step 2: Convert to fraction form
   8,051.40/12,073.86 = 2,856.06/x
3. Step 3: Cross multiply
   8,051.40x = 12,073.86 × 2,856.06
4. Step 4: Simplify right side
   8,051.40x = 34,483,668.59
5. Step 5: Solve for x
   x = 34,483,668.59/8,051.40
6. Step 6: Final answer
   x = 4,282.94