Finding the Fourth Proportional to 8,848.87, 12,211.74 and 4,870.15

Step by Step Solution

1. Step 1: Write the proportion equation
   8,848.87 : 12,211.74 = 4,870.15 : x
2. Step 2: Convert to fraction form
   8,848.87/12,211.74 = 4,870.15/x
3. Step 3: Cross multiply
   8,848.87x = 12,211.74 × 4,870.15
4. Step 4: Simplify right side
   8,848.87x = 59,473,005.56
5. Step 5: Solve for x
   x = 59,473,005.56/8,848.87
6. Step 6: Final answer
   x = 6,720.97