Finding the Fourth Proportional to 42,150.72, 63,235.94 and 22,424.79

Step by Step Solution

1. Step 1: Write the proportion equation
   42,150.72 : 63,235.94 = 22,424.79 : x
2. Step 2: Convert to fraction form
   42,150.72/63,235.94 = 22,424.79/x
3. Step 3: Cross multiply
   42,150.72x = 63,235.94 × 22,424.79
4. Step 4: Simplify right side
   42,150.72x = 1,418,052,562.83
5. Step 5: Solve for x
   x = 1,418,052,562.83/42,150.72
6. Step 6: Final answer
   x = 33,642.43