Finding the Fourth Proportional to 12,495.52, 18,744.50 and 3,611.06

Step by Step Solution

1. Step 1: Write the proportion equation
   12,495.52 : 18,744.50 = 3,611.06 : x
2. Step 2: Convert to fraction form
   12,495.52/18,744.50 = 3,611.06/x
3. Step 3: Cross multiply
   12,495.52x = 18,744.50 × 3,611.06
4. Step 4: Simplify right side
   12,495.52x = 67,687,514.17
5. Step 5: Solve for x
   x = 67,687,514.17/12,495.52
6. Step 6: Final answer
   x = 5,416.94