Finding the Fourth Proportional to 99.22, 137.01 and 73.30

Step by Step Solution

1. Step 1: Write the proportion equation
   99.22 : 137.01 = 73.30 : x
2. Step 2: Convert to fraction form
   99.22/137.01 = 73.30/x
3. Step 3: Cross multiply
   99.22x = 137.01 × 73.30
4. Step 4: Simplify right side
   99.22x = 10,042.83
5. Step 5: Solve for x
   x = 10,042.83/99.22
6. Step 6: Final answer
   x = 101.22