Finding the Fourth Proportional to 43.78, 60.29 and 42.83

Step by Step Solution

1. Step 1: Write the proportion equation
   43.78 : 60.29 = 42.83 : x
2. Step 2: Convert to fraction form
   43.78/60.29 = 42.83/x
3. Step 3: Cross multiply
   43.78x = 60.29 × 42.83
4. Step 4: Simplify right side
   43.78x = 2,582.32
5. Step 5: Solve for x
   x = 2,582.32/43.78
6. Step 6: Final answer
   x = 58.99