Finding the Fourth Proportional to 37,872.72, 52,258.26 and 22,761.78

Step by Step Solution

1. Step 1: Write the proportion equation
   37,872.72 : 52,258.26 = 22,761.78 : x
2. Step 2: Convert to fraction form
   37,872.72/52,258.26 = 22,761.78/x
3. Step 3: Cross multiply
   37,872.72x = 52,258.26 × 22,761.78
4. Step 4: Simplify right side
   37,872.72x = 1,189,491,017.30
5. Step 5: Solve for x
   x = 1,189,491,017.30/37,872.72
6. Step 6: Final answer
   x = 31,407.59