Finding the Fourth Proportional to 37,609, 51,900.42 and 20,613.79

Step by Step Solution

1. Step 1: Write the proportion equation
   37,609 : 51,900.42 = 20,613.79 : x
2. Step 2: Convert to fraction form
   37,609/51,900.42 = 20,613.79/x
3. Step 3: Cross multiply
   37,609x = 51,900.42 × 20,613.79
4. Step 4: Simplify right side
   37,609x = 1,069,864,358.79
5. Step 5: Solve for x
   x = 1,069,864,358.79/37,609
6. Step 6: Final answer
   x = 28,447.03