Finding the Fourth Proportional to 8,856.06, 12,218.85 and 5,714.07

Step by Step Solution

1. Step 1: Write the proportion equation
   8,856.06 : 12,218.85 = 5,714.07 : x
2. Step 2: Convert to fraction form
   8,856.06/12,218.85 = 5,714.07/x
3. Step 3: Cross multiply
   8,856.06x = 12,218.85 × 5,714.07
4. Step 4: Simplify right side
   8,856.06x = 69,819,364.22
5. Step 5: Solve for x
   x = 69,819,364.22/8,856.06
6. Step 6: Final answer
   x = 7,883.80