Finding the Fourth Proportional to 12,460.72, 18,684.56 and 3,694.48

Step by Step Solution

1. Step 1: Write the proportion equation
   12,460.72 : 18,684.56 = 3,694.48 : x
2. Step 2: Convert to fraction form
   12,460.72/18,684.56 = 3,694.48/x
3. Step 3: Cross multiply
   12,460.72x = 18,684.56 × 3,694.48
4. Step 4: Simplify right side
   12,460.72x = 69,029,733.23
5. Step 5: Solve for x
   x = 69,029,733.23/12,460.72
6. Step 6: Final answer
   x = 5,539.79