Finding the Fourth Proportional to 63,780.89, 88,028.42 and 36,939.72

Step by Step Solution

1. Step 1: Write the proportion equation
   63,780.89 : 88,028.42 = 36,939.72 : x
2. Step 2: Convert to fraction form
   63,780.89/88,028.42 = 36,939.72/x
3. Step 3: Cross multiply
   63,780.89x = 88,028.42 × 36,939.72
4. Step 4: Simplify right side
   63,780.89x = 3,251,745,292.46
5. Step 5: Solve for x
   x = 3,251,745,292.46/63,780.89
6. Step 6: Final answer
   x = 50,983.06