Finding the Fourth Proportional to 37,761.62, 52,111.64 and 20,766.61

Step by Step Solution

1. Step 1: Write the proportion equation
   37,761.62 : 52,111.64 = 20,766.61 : x
2. Step 2: Convert to fraction form
   37,761.62/52,111.64 = 20,766.61/x
3. Step 3: Cross multiply
   37,761.62x = 52,111.64 × 20,766.61
4. Step 4: Simplify right side
   37,761.62x = 1,082,181,739.95
5. Step 5: Solve for x
   x = 1,082,181,739.95/37,761.62
6. Step 6: Final answer
   x = 28,658.24