Finding the Fourth Proportional to 8,780.34, 12,116.88 and 4,801.44

Step by Step Solution

1. Step 1: Write the proportion equation
   8,780.34 : 12,116.88 = 4,801.44 : x
2. Step 2: Convert to fraction form
   8,780.34/12,116.88 = 4,801.44/x
3. Step 3: Cross multiply
   8,780.34x = 12,116.88 × 4,801.44
4. Step 4: Simplify right side
   8,780.34x = 58,178,472.31
5. Step 5: Solve for x
   x = 58,178,472.31/8,780.34
6. Step 6: Final answer
   x = 6,625.99