Finding the Fourth Proportional to 37,761.78, 52,111.98 and 20,766.82

Step by Step Solution

1. Step 1: Write the proportion equation
   37,761.78 : 52,111.98 = 20,766.82 : x
2. Step 2: Convert to fraction form
   37,761.78/52,111.98 = 20,766.82/x
3. Step 3: Cross multiply
   37,761.78x = 52,111.98 × 20,766.82
4. Step 4: Simplify right side
   37,761.78x = 1,082,200,108.50
5. Step 5: Solve for x
   x = 1,082,200,108.50/37,761.78
6. Step 6: Final answer
   x = 28,658.61