Finding the Fourth Proportional to 42.18, 62.96 and 37.02

Step by Step Solution

1. Step 1: Write the proportion equation
   42.18 : 62.96 = 37.02 : x
2. Step 2: Convert to fraction form
   42.18/62.96 = 37.02/x
3. Step 3: Cross multiply
   42.18x = 62.96 × 37.02
4. Step 4: Simplify right side
   42.18x = 2,330.59
5. Step 5: Solve for x
   x = 2,330.59/42.18
6. Step 6: Final answer
   x = 55.25