Finding the Fourth Proportional to 36,078.89, 54,133.88 and 19,435.59

Step by Step Solution

1. Step 1: Write the proportion equation
   36,078.89 : 54,133.88 = 19,435.59 : x
2. Step 2: Convert to fraction form
   36,078.89/54,133.88 = 19,435.59/x
3. Step 3: Cross multiply
   36,078.89x = 54,133.88 × 19,435.59
4. Step 4: Simplify right side
   36,078.89x = 1,052,123,799.61
5. Step 5: Solve for x
   x = 1,052,123,799.61/36,078.89
6. Step 6: Final answer
   x = 29,161.76