Finding the Fourth Proportional to 37,760.98, 52,111.48 and 20,766.50

Step by Step Solution

1. Step 1: Write the proportion equation
   37,760.98 : 52,111.48 = 20,766.50 : x
2. Step 2: Convert to fraction form
   37,760.98/52,111.48 = 20,766.50/x
3. Step 3: Cross multiply
   37,760.98x = 52,111.48 × 20,766.50
4. Step 4: Simplify right side
   37,760.98x = 1,082,173,127.78
5. Step 5: Solve for x
   x = 1,082,173,127.78/37,760.98
6. Step 6: Final answer
   x = 28,658.50