Finding the Fourth Proportional to 73.56, 101.42 and 51.69

Step by Step Solution

1. Step 1: Write the proportion equation
   73.56 : 101.42 = 51.69 : x
2. Step 2: Convert to fraction form
   73.56/101.42 = 51.69/x
3. Step 3: Cross multiply
   73.56x = 101.42 × 51.69
4. Step 4: Simplify right side
   73.56x = 5,242.72
5. Step 5: Solve for x
   x = 5,242.72/73.56
6. Step 6: Final answer
   x = 71.27