Finding the Fourth Proportional to 48.07, 71.76 and 42.00

Step by Step Solution

1. Step 1: Write the proportion equation
   48.07 : 71.76 = 42.00 : x
2. Step 2: Convert to fraction form
   48.07/71.76 = 42.00/x
3. Step 3: Cross multiply
   48.07x = 71.76 × 42.00
4. Step 4: Simplify right side
   48.07x = 3,013.69
5. Step 5: Solve for x
   x = 3,013.69/48.07
6. Step 6: Final answer
   x = 62.69