Finding the Fourth Proportional to 37,761.87, 52,111.98 and 20,766.86

Step by Step Solution

1. Step 1: Write the proportion equation
   37,761.87 : 52,111.98 = 20,766.86 : x
2. Step 2: Convert to fraction form
   37,761.87/52,111.98 = 20,766.86/x
3. Step 3: Cross multiply
   37,761.87x = 52,111.98 × 20,766.86
4. Step 4: Simplify right side
   37,761.87x = 1,082,201,932.42
5. Step 5: Solve for x
   x = 1,082,201,932.42/37,761.87
6. Step 6: Final answer
   x = 28,658.59