Finding the Fourth Proportional to 73.63, 101.37 and 72.10

Step by Step Solution

1. Step 1: Write the proportion equation
   73.63 : 101.37 = 72.10 : x
2. Step 2: Convert to fraction form
   73.63/101.37 = 72.10/x
3. Step 3: Cross multiply
   73.63x = 101.37 × 72.10
4. Step 4: Simplify right side
   73.63x = 7,308.78
5. Step 5: Solve for x
   x = 7,308.78/73.63
6. Step 6: Final answer
   x = 99.26