Finding the Fourth Proportional to 8,807.63, 12,154.89 and 4,828.89

Step by Step Solution

1. Step 1: Write the proportion equation
   8,807.63 : 12,154.89 = 4,828.89 : x
2. Step 2: Convert to fraction form
   8,807.63/12,154.89 = 4,828.89/x
3. Step 3: Cross multiply
   8,807.63x = 12,154.89 × 4,828.89
4. Step 4: Simplify right side
   8,807.63x = 58,694,626.77
5. Step 5: Solve for x
   x = 58,694,626.77/8,807.63
6. Step 6: Final answer
   x = 6,664.07