Finding the Fourth Proportional to 42.84, 58.77 and 42.52

Step by Step Solution

1. Step 1: Write the proportion equation
   42.84 : 58.77 = 42.52 : x
2. Step 2: Convert to fraction form
   42.84/58.77 = 42.52/x
3. Step 3: Cross multiply
   42.84x = 58.77 × 42.52
4. Step 4: Simplify right side
   42.84x = 2,498.90
5. Step 5: Solve for x
   x = 2,498.90/42.84
6. Step 6: Final answer
   x = 58.33