Finding the Fourth Proportional to 8,848.67, 12,211.40 and 4,870.02

Step by Step Solution

1. Step 1: Write the proportion equation
   8,848.67 : 12,211.40 = 4,870.02 : x
2. Step 2: Convert to fraction form
   8,848.67/12,211.40 = 4,870.02/x
3. Step 3: Cross multiply
   8,848.67x = 12,211.40 × 4,870.02
4. Step 4: Simplify right side
   8,848.67x = 59,469,772.15
5. Step 5: Solve for x
   x = 59,469,772.15/8,848.67
6. Step 6: Final answer
   x = 6,720.76