Finding the Fourth Proportional to 52.35, 72.23 and 42.00

Step by Step Solution

1. Step 1: Write the proportion equation
   52.35 : 72.23 = 42.00 : x
2. Step 2: Convert to fraction form
   52.35/72.23 = 42.00/x
3. Step 3: Cross multiply
   52.35x = 72.23 × 42.00
4. Step 4: Simplify right side
   52.35x = 3,033.82
5. Step 5: Solve for x
   x = 3,033.82/52.35
6. Step 6: Final answer
   x = 57.95