Finding the Fourth Proportional to 12,258.34, 18,387.61 and 3,493.33

Step by Step Solution

1. Step 1: Write the proportion equation
   12,258.34 : 18,387.61 = 3,493.33 : x
2. Step 2: Convert to fraction form
   12,258.34/18,387.61 = 3,493.33/x
3. Step 3: Cross multiply
   12,258.34x = 18,387.61 × 3,493.33
4. Step 4: Simplify right side
   12,258.34x = 64,233,934.94
5. Step 5: Solve for x
   x = 64,233,934.94/12,258.34
6. Step 6: Final answer
   x = 5,240.02