Finding the Fourth Proportional to 37,761.76, 52,111.59 and 20,766.11

Step by Step Solution

1. Step 1: Write the proportion equation
   37,761.76 : 52,111.59 = 20,766.11 : x
2. Step 2: Convert to fraction form
   37,761.76/52,111.59 = 20,766.11/x
3. Step 3: Cross multiply
   37,761.76x = 52,111.59 × 20,766.11
4. Step 4: Simplify right side
   37,761.76x = 1,082,154,671.78
5. Step 5: Solve for x
   x = 1,082,154,671.78/37,761.76
6. Step 6: Final answer
   x = 28,657.42