Finding the Fourth Proportional to 12,258.83, 18,390.96 and 3,493.82

Step by Step Solution

1. Step 1: Write the proportion equation
   12,258.83 : 18,390.96 = 3,493.82 : x
2. Step 2: Convert to fraction form
   12,258.83/18,390.96 = 3,493.82/x
3. Step 3: Cross multiply
   12,258.83x = 18,390.96 × 3,493.82
4. Step 4: Simplify right side
   12,258.83x = 64,254,611.91
5. Step 5: Solve for x
   x = 64,254,611.91/12,258.83
6. Step 6: Final answer
   x = 5,241.50