Finding the Fourth Proportional to 62.54, 93.63 and 42.00

Step by Step Solution

1. Step 1: Write the proportion equation
   62.54 : 93.63 = 42.00 : x
2. Step 2: Convert to fraction form
   62.54/93.63 = 42.00/x
3. Step 3: Cross multiply
   62.54x = 93.63 × 42.00
4. Step 4: Simplify right side
   62.54x = 3,931.78
5. Step 5: Solve for x
   x = 3,931.78/62.54
6. Step 6: Final answer
   x = 62.87