Finding the Fourth Proportional to 37,768.05, 52,120.55 and 20,773.05

Step by Step Solution

1. Step 1: Write the proportion equation
   37,768.05 : 52,120.55 = 20,773.05 : x
2. Step 2: Convert to fraction form
   37,768.05/52,120.55 = 20,773.05/x
3. Step 3: Cross multiply
   37,768.05x = 52,120.55 × 20,773.05
4. Step 4: Simplify right side
   37,768.05x = 1,082,702,687.31
5. Step 5: Solve for x
   x = 1,082,702,687.31/37,768.05
6. Step 6: Final answer
   x = 28,667.16