Finding the Fourth Proportional to 12,434.56, 18,653.05 and 3,671.98

Step by Step Solution

1. Step 1: Write the proportion equation
   12,434.56 : 18,653.05 = 3,671.98 : x
2. Step 2: Convert to fraction form
   12,434.56/18,653.05 = 3,671.98/x
3. Step 3: Cross multiply
   12,434.56x = 18,653.05 × 3,671.98
4. Step 4: Simplify right side
   12,434.56x = 68,493,584.50
5. Step 5: Solve for x
   x = 68,493,584.50/12,434.56
6. Step 6: Final answer
   x = 5,508.33