Finding the Fourth Proportional to 37,763.76, 52,112.96 and 20,768.01

Step by Step Solution

1. Step 1: Write the proportion equation
   37,763.76 : 52,112.96 = 20,768.01 : x
2. Step 2: Convert to fraction form
   37,763.76/52,112.96 = 20,768.01/x
3. Step 3: Cross multiply
   37,763.76x = 52,112.96 × 20,768.01
4. Step 4: Simplify right side
   37,763.76x = 1,082,282,253.03
5. Step 5: Solve for x
   x = 1,082,282,253.03/37,763.76
6. Step 6: Final answer
   x = 28,659.28