Finding the Fourth Proportional to 8,780.16, 12,116.88 and 4,801.49

Step by Step Solution

1. Step 1: Write the proportion equation
   8,780.16 : 12,116.88 = 4,801.49 : x
2. Step 2: Convert to fraction form
   8,780.16/12,116.88 = 4,801.49/x
3. Step 3: Cross multiply
   8,780.16x = 12,116.88 × 4,801.49
4. Step 4: Simplify right side
   8,780.16x = 58,179,063.01
5. Step 5: Solve for x
   x = 58,179,063.01/8,780.16
6. Step 6: Final answer
   x = 6,626.19