Finding the Fourth Proportional to 48.83, 67.39 and 42.69

Step by Step Solution

1. Step 1: Write the proportion equation
   48.83 : 67.39 = 42.69 : x
2. Step 2: Convert to fraction form
   48.83/67.39 = 42.69/x
3. Step 3: Cross multiply
   48.83x = 67.39 × 42.69
4. Step 4: Simplify right side
   48.83x = 2,876.88
5. Step 5: Solve for x
   x = 2,876.88/48.83
6. Step 6: Final answer
   x = 58.92