Finding the Fourth Proportional to 50.03, 69.00 and 42.28

Step by Step Solution

1. Step 1: Write the proportion equation
   50.03 : 69.00 = 42.28 : x
2. Step 2: Convert to fraction form
   50.03/69.00 = 42.28/x
3. Step 3: Cross multiply
   50.03x = 69.00 × 42.28
4. Step 4: Simplify right side
   50.03x = 2,916.76
5. Step 5: Solve for x
   x = 2,916.76/50.03
6. Step 6: Final answer
   x = 58.31