Finding the Fourth Proportional to 67,555.38, 101,278.37 and 28,142.00

Step by Step Solution

1. Step 1: Write the proportion equation
   67,555.38 : 101,278.37 = 28,142.00 : x
2. Step 2: Convert to fraction form
   67,555.38/101,278.37 = 28,142.00/x
3. Step 3: Cross multiply
   67,555.38x = 101,278.37 × 28,142.00
4. Step 4: Simplify right side
   67,555.38x = 2,850,175,241.44
5. Step 5: Solve for x
   x = 2,850,175,241.44/67,555.38
6. Step 6: Final answer
   x = 42,190.20