Finding the Fourth Proportional to 8,807.01, 12,153.55 and 4,828.12

Step by Step Solution

1. Step 1: Write the proportion equation
   8,807.01 : 12,153.55 = 4,828.12 : x
2. Step 2: Convert to fraction form
   8,807.01/12,153.55 = 4,828.12/x
3. Step 3: Cross multiply
   8,807.01x = 12,153.55 × 4,828.12
4. Step 4: Simplify right side
   8,807.01x = 58,678,767.44
5. Step 5: Solve for x
   x = 58,678,767.44/8,807.01
6. Step 6: Final answer
   x = 6,662.74