Finding the Fourth Proportional to 73.24, 100.86 and 51.34

Step by Step Solution

1. Step 1: Write the proportion equation
   73.24 : 100.86 = 51.34 : x
2. Step 2: Convert to fraction form
   73.24/100.86 = 51.34/x
3. Step 3: Cross multiply
   73.24x = 100.86 × 51.34
4. Step 4: Simplify right side
   73.24x = 5,178.15
5. Step 5: Solve for x
   x = 5,178.15/73.24
6. Step 6: Final answer
   x = 70.70