Finding the Fourth Proportional to 99.33, 136.93 and 73.05

Step by Step Solution

1. Step 1: Write the proportion equation
   99.33 : 136.93 = 73.05 : x
2. Step 2: Convert to fraction form
   99.33/136.93 = 73.05/x
3. Step 3: Cross multiply
   99.33x = 136.93 × 73.05
4. Step 4: Simplify right side
   99.33x = 10,002.95
5. Step 5: Solve for x
   x = 10,002.95/99.33
6. Step 6: Final answer
   x = 100.71