Finding the Fourth Proportional to 12,514.61, 18,766.38 and 3,747.89

Step by Step Solution

1. Step 1: Write the proportion equation
   12,514.61 : 18,766.38 = 3,747.89 : x
2. Step 2: Convert to fraction form
   12,514.61/18,766.38 = 3,747.89/x
3. Step 3: Cross multiply
   12,514.61x = 18,766.38 × 3,747.89
4. Step 4: Simplify right side
   12,514.61x = 70,334,327.94
5. Step 5: Solve for x
   x = 70,334,327.94/12,514.61
6. Step 6: Final answer
   x = 5,620.18