Finding the Fourth Proportional to 60.78, 83.82 and 43.50

Step by Step Solution

1. Step 1: Write the proportion equation
   60.78 : 83.82 = 43.50 : x
2. Step 2: Convert to fraction form
   60.78/83.82 = 43.50/x
3. Step 3: Cross multiply
   60.78x = 83.82 × 43.50
4. Step 4: Simplify right side
   60.78x = 3,646.17
5. Step 5: Solve for x
   x = 3,646.17/60.78
6. Step 6: Final answer
   x = 59.99