Finding the Fourth Proportional to 8,810.39, 12,158.50 and 4,831.51

Step by Step Solution

1. Step 1: Write the proportion equation
   8,810.39 : 12,158.50 = 4,831.51 : x
2. Step 2: Convert to fraction form
   8,810.39/12,158.50 = 4,831.51/x
3. Step 3: Cross multiply
   8,810.39x = 12,158.50 × 4,831.51
4. Step 4: Simplify right side
   8,810.39x = 58,743,853.54
5. Step 5: Solve for x
   x = 58,743,853.54/8,810.39
6. Step 6: Final answer
   x = 6,667.57