Finding the Fourth Proportional to 37,766.30, 52,118.14 and 20,771.30

Step by Step Solution

1. Step 1: Write the proportion equation
   37,766.30 : 52,118.14 = 20,771.30 : x
2. Step 2: Convert to fraction form
   37,766.30/52,118.14 = 20,771.30/x
3. Step 3: Cross multiply
   37,766.30x = 52,118.14 × 20,771.30
4. Step 4: Simplify right side
   37,766.30x = 1,082,561,521.38
5. Step 5: Solve for x
   x = 1,082,561,521.38/37,766.30
6. Step 6: Final answer
   x = 28,664.75