Finding the Fourth Proportional to 12,281.83, 18,411.79 and 5,704.43

Step by Step Solution

1. Step 1: Write the proportion equation
   12,281.83 : 18,411.79 = 5,704.43 : x
2. Step 2: Convert to fraction form
   12,281.83/18,411.79 = 5,704.43/x
3. Step 3: Cross multiply
   12,281.83x = 18,411.79 × 5,704.43
4. Step 4: Simplify right side
   12,281.83x = 105,028,767.23
5. Step 5: Solve for x
   x = 105,028,767.23/12,281.83
6. Step 6: Final answer
   x = 8,551.56