Finding the Fourth Proportional to 12,384.42, 18,570.96 and 5,361.18

Step by Step Solution

1. Step 1: Write the proportion equation
   12,384.42 : 18,570.96 = 5,361.18 : x
2. Step 2: Convert to fraction form
   12,384.42/18,570.96 = 5,361.18/x
3. Step 3: Cross multiply
   12,384.42x = 18,570.96 × 5,361.18
4. Step 4: Simplify right side
   12,384.42x = 99,562,259.33
5. Step 5: Solve for x
   x = 99,562,259.33/12,384.42
6. Step 6: Final answer
   x = 8,039.32