Finding the Fourth Proportional to 8,856.49, 12,221.95 and 4,877.59

Step by Step Solution

1. Step 1: Write the proportion equation
   8,856.49 : 12,221.95 = 4,877.59 : x
2. Step 2: Convert to fraction form
   8,856.49/12,221.95 = 4,877.59/x
3. Step 3: Cross multiply
   8,856.49x = 12,221.95 × 4,877.59
4. Step 4: Simplify right side
   8,856.49x = 59,613,661.10
5. Step 5: Solve for x
   x = 59,613,661.10/8,856.49
6. Step 6: Final answer
   x = 6,731.07