Finding the Fourth Proportional to 8,840.72, 12,200.46 and 4,862.09

Step by Step Solution

1. Step 1: Write the proportion equation
   8,840.72 : 12,200.46 = 4,862.09 : x
2. Step 2: Convert to fraction form
   8,840.72/12,200.46 = 4,862.09/x
3. Step 3: Cross multiply
   8,840.72x = 12,200.46 × 4,862.09
4. Step 4: Simplify right side
   8,840.72x = 59,319,746.83
5. Step 5: Solve for x
   x = 59,319,746.83/8,840.72
6. Step 6: Final answer
   x = 6,709.83