Finding the Fourth Proportional to 12,298.84, 18,440.82 and 4,498.48

Step by Step Solution

1. Step 1: Write the proportion equation
   12,298.84 : 18,440.82 = 4,498.48 : x
2. Step 2: Convert to fraction form
   12,298.84/18,440.82 = 4,498.48/x
3. Step 3: Cross multiply
   12,298.84x = 18,440.82 × 4,498.48
4. Step 4: Simplify right side
   12,298.84x = 82,955,659.95
5. Step 5: Solve for x
   x = 82,955,659.95/12,298.84
6. Step 6: Final answer
   x = 6,745.00