Finding the Fourth Proportional to 12,542.37, 18,813.69 and 3,182.15

Step by Step Solution

1. Step 1: Write the proportion equation
   12,542.37 : 18,813.69 = 3,182.15 : x
2. Step 2: Convert to fraction form
   12,542.37/18,813.69 = 3,182.15/x
3. Step 3: Cross multiply
   12,542.37x = 18,813.69 × 3,182.15
4. Step 4: Simplify right side
   12,542.37x = 59,867,889.57
5. Step 5: Solve for x
   x = 59,867,889.57/12,542.37
6. Step 6: Final answer
   x = 4,773.25