Finding the Fourth Proportional to 62.78, 93.42 and 62.10

Step by Step Solution

1. Step 1: Write the proportion equation
   62.78 : 93.42 = 62.10 : x
2. Step 2: Convert to fraction form
   62.78/93.42 = 62.10/x
3. Step 3: Cross multiply
   62.78x = 93.42 × 62.10
4. Step 4: Simplify right side
   62.78x = 5,801.38
5. Step 5: Solve for x
   x = 5,801.38/62.78
6. Step 6: Final answer
   x = 92.42