Finding the Fourth Proportional to 72,608.88, 108,847.71 and 50,432.70

Step by Step Solution

1. Step 1: Write the proportion equation
   72,608.88 : 108,847.71 = 50,432.70 : x
2. Step 2: Convert to fraction form
   72,608.88/108,847.71 = 50,432.70/x
3. Step 3: Cross multiply
   72,608.88x = 108,847.71 × 50,432.70
4. Step 4: Simplify right side
   72,608.88x = 5,489,483,904.12
5. Step 5: Solve for x
   x = 5,489,483,904.12/72,608.88
6. Step 6: Final answer
   x = 75,603.48