Finding the Fourth Proportional to 67,854.42, 101,796.39 and 28,391.22

Step by Step Solution

1. Step 1: Write the proportion equation
   67,854.42 : 101,796.39 = 28,391.22 : x
2. Step 2: Convert to fraction form
   67,854.42/101,796.39 = 28,391.22/x
3. Step 3: Cross multiply
   67,854.42x = 101,796.39 × 28,391.22
4. Step 4: Simplify right side
   67,854.42x = 2,890,123,703.70
5. Step 5: Solve for x
   x = 2,890,123,703.70/67,854.42
6. Step 6: Final answer
   x = 42,593.01