Finding the Fourth Proportional to 99.50, 137.23 and 73.37

Step by Step Solution

1. Step 1: Write the proportion equation
   99.50 : 137.23 = 73.37 : x
2. Step 2: Convert to fraction form
   99.50/137.23 = 73.37/x
3. Step 3: Cross multiply
   99.50x = 137.23 × 73.37
4. Step 4: Simplify right side
   99.50x = 10,068.57
5. Step 5: Solve for x
   x = 10,068.57/99.50
6. Step 6: Final answer
   x = 101.19