Finding the Fourth Proportional to 37,609.55, 51,900.05 and 20,613.42

Step by Step Solution

1. Step 1: Write the proportion equation
   37,609.55 : 51,900.05 = 20,613.42 : x
2. Step 2: Convert to fraction form
   37,609.55/51,900.05 = 20,613.42/x
3. Step 3: Cross multiply
   37,609.55x = 51,900.05 × 20,613.42
4. Step 4: Simplify right side
   37,609.55x = 1,069,837,425.60
5. Step 5: Solve for x
   x = 1,069,837,425.60/37,609.55
6. Step 6: Final answer
   x = 28,445.90