Finding the Fourth Proportional to 8,807.00, 12,153.67 and 4,828.21

Step by Step Solution

1. Step 1: Write the proportion equation
   8,807.00 : 12,153.67 = 4,828.21 : x
2. Step 2: Convert to fraction form
   8,807.00/12,153.67 = 4,828.21/x
3. Step 3: Cross multiply
   8,807.00x = 12,153.67 × 4,828.21
4. Step 4: Simplify right side
   8,807.00x = 58,680,428.58
5. Step 5: Solve for x
   x = 58,680,428.58/8,807.00
6. Step 6: Final answer
   x = 6,662.93