Finding the Fourth Proportional to 101.02, 139.37 and 73.34

Step by Step Solution

1. Step 1: Write the proportion equation
   101.02 : 139.37 = 73.34 : x
2. Step 2: Convert to fraction form
   101.02/139.37 = 73.34/x
3. Step 3: Cross multiply
   101.02x = 139.37 × 73.34
4. Step 4: Simplify right side
   101.02x = 10,221.86
5. Step 5: Solve for x
   x = 10,221.86/101.02
6. Step 6: Final answer
   x = 101.18