Finding the Fourth Proportional to 8,781.51, 13,164.45 and 3,233.54

Step by Step Solution

1. Step 1: Write the proportion equation
   8,781.51 : 13,164.45 = 3,233.54 : x
2. Step 2: Convert to fraction form
   8,781.51/13,164.45 = 3,233.54/x
3. Step 3: Cross multiply
   8,781.51x = 13,164.45 × 3,233.54
4. Step 4: Simplify right side
   8,781.51x = 42,567,709.83
5. Step 5: Solve for x
   x = 42,567,709.83/8,781.51
6. Step 6: Final answer
   x = 4,847.42