Finding the Fourth Proportional to 12,258.54, 18,384.77 and 3,493.53

Step by Step Solution

1. Step 1: Write the proportion equation
   12,258.54 : 18,384.77 = 3,493.53 : x
2. Step 2: Convert to fraction form
   12,258.54/18,384.77 = 3,493.53/x
3. Step 3: Cross multiply
   12,258.54x = 18,384.77 × 3,493.53
4. Step 4: Simplify right side
   12,258.54x = 64,227,754.27
5. Step 5: Solve for x
   x = 64,227,754.27/12,258.54
6. Step 6: Final answer
   x = 5,239.43