Finding the Fourth Proportional to 85,375.58, 128,100.29 and 32,772.83

Step by Step Solution

1. Step 1: Write the proportion equation
   85,375.58 : 128,100.29 = 32,772.83 : x
2. Step 2: Convert to fraction form
   85,375.58/128,100.29 = 32,772.83/x
3. Step 3: Cross multiply
   85,375.58x = 128,100.29 × 32,772.83
4. Step 4: Simplify right side
   85,375.58x = 4,198,208,222.76
5. Step 5: Solve for x
   x = 4,198,208,222.76/85,375.58
6. Step 6: Final answer
   x = 49,173.41