Finding the Fourth Proportional to 8,817.54, 12,164.88 and 5,630.95

Step by Step Solution

1. Step 1: Write the proportion equation
   8,817.54 : 12,164.88 = 5,630.95 : x
2. Step 2: Convert to fraction form
   8,817.54/12,164.88 = 5,630.95/x
3. Step 3: Cross multiply
   8,817.54x = 12,164.88 × 5,630.95
4. Step 4: Simplify right side
   8,817.54x = 68,499,831.04
5. Step 5: Solve for x
   x = 68,499,831.04/8,817.54
6. Step 6: Final answer
   x = 7,768.59