Finding the Fourth Proportional to 73.62, 101.37 and 72.02

Step by Step Solution

1. Step 1: Write the proportion equation
   73.62 : 101.37 = 72.02 : x
2. Step 2: Convert to fraction form
   73.62/101.37 = 72.02/x
3. Step 3: Cross multiply
   73.62x = 101.37 × 72.02
4. Step 4: Simplify right side
   73.62x = 7,300.81
5. Step 5: Solve for x
   x = 7,300.81/73.62
6. Step 6: Final answer
   x = 99.17