Finding the Fourth Proportional to 8,780.02, 12,116.28 and 4,801.12

Step by Step Solution

1. Step 1: Write the proportion equation
   8,780.02 : 12,116.28 = 4,801.12 : x
2. Step 2: Convert to fraction form
   8,780.02/12,116.28 = 4,801.12/x
3. Step 3: Cross multiply
   8,780.02x = 12,116.28 × 4,801.12
4. Step 4: Simplify right side
   8,780.02x = 58,171,714.23
5. Step 5: Solve for x
   x = 58,171,714.23/8,780.02
6. Step 6: Final answer
   x = 6,625.46