Finding the Fourth Proportional to 12,301.50, 18,451.98 and 3,536.40

Step by Step Solution

1. Step 1: Write the proportion equation
   12,301.50 : 18,451.98 = 3,536.40 : x
2. Step 2: Convert to fraction form
   12,301.50/18,451.98 = 3,536.40/x
3. Step 3: Cross multiply
   12,301.50x = 18,451.98 × 3,536.40
4. Step 4: Simplify right side
   12,301.50x = 65,253,582.07
5. Step 5: Solve for x
   x = 65,253,582.07/12,301.50
6. Step 6: Final answer
   x = 5,304.52