Finding the Fourth Proportional to 22,613.74, 31,206.53 and 12,404.81

Step by Step Solution

1. Step 1: Write the proportion equation
   22,613.74 : 31,206.53 = 12,404.81 : x
2. Step 2: Convert to fraction form
   22,613.74/31,206.53 = 12,404.81/x
3. Step 3: Cross multiply
   22,613.74x = 31,206.53 × 12,404.81
4. Step 4: Simplify right side
   22,613.74x = 387,111,184.44
5. Step 5: Solve for x
   x = 387,111,184.44/22,613.74
6. Step 6: Final answer
   x = 17,118.41