Finding the Fourth Proportional to 73.31, 109.71 and 50.51

Step by Step Solution

1. Step 1: Write the proportion equation
   73.31 : 109.71 = 50.51 : x
2. Step 2: Convert to fraction form
   73.31/109.71 = 50.51/x
3. Step 3: Cross multiply
   73.31x = 109.71 × 50.51
4. Step 4: Simplify right side
   73.31x = 5,541.73
5. Step 5: Solve for x
   x = 5,541.73/73.31
6. Step 6: Final answer
   x = 75.60