Finding the Fourth Proportional to 73.50, 101.43 and 42.00

Step by Step Solution

1. Step 1: Write the proportion equation
   73.50 : 101.43 = 42.00 : x
2. Step 2: Convert to fraction form
   73.50/101.43 = 42.00/x
3. Step 3: Cross multiply
   73.50x = 101.43 × 42.00
4. Step 4: Simplify right side
   73.50x = 4,259.52
5. Step 5: Solve for x
   x = 4,259.52/73.50
6. Step 6: Final answer
   x = 57.95