Finding the Fourth Proportional to 62.38, 93.42 and 42.06

Step by Step Solution

1. Step 1: Write the proportion equation
   62.38 : 93.42 = 42.06 : x
2. Step 2: Convert to fraction form
   62.38/93.42 = 42.06/x
3. Step 3: Cross multiply
   62.38x = 93.42 × 42.06
4. Step 4: Simplify right side
   62.38x = 3,929.25
5. Step 5: Solve for x
   x = 3,929.25/62.38
6. Step 6: Final answer
   x = 62.99