Finding the Fourth Proportional to 37,581.10, 51,861.81 and 20,814.10

Step by Step Solution

1. Step 1: Write the proportion equation
   37,581.10 : 51,861.81 = 20,814.10 : x
2. Step 2: Convert to fraction form
   37,581.10/51,861.81 = 20,814.10/x
3. Step 3: Cross multiply
   37,581.10x = 51,861.81 × 20,814.10
4. Step 4: Simplify right side
   37,581.10x = 1,079,456,899.52
5. Step 5: Solve for x
   x = 1,079,456,899.52/37,581.10
6. Step 6: Final answer
   x = 28,723.40