Finding the Fourth Proportional to 12,258.18, 18,384.03 and 3,493.59

Step by Step Solution

1. Step 1: Write the proportion equation
   12,258.18 : 18,384.03 = 3,493.59 : x
2. Step 2: Convert to fraction form
   12,258.18/18,384.03 = 3,493.59/x
3. Step 3: Cross multiply
   12,258.18x = 18,384.03 × 3,493.59
4. Step 4: Simplify right side
   12,258.18x = 64,226,263.37
5. Step 5: Solve for x
   x = 64,226,263.37/12,258.18
6. Step 6: Final answer
   x = 5,239.46