Finding the Fourth Proportional to 72.99, 109.37 and 34.46

Step by Step Solution

1. Step 1: Write the proportion equation
   72.99 : 109.37 = 34.46 : x
2. Step 2: Convert to fraction form
   72.99/109.37 = 34.46/x
3. Step 3: Cross multiply
   72.99x = 109.37 × 34.46
4. Step 4: Simplify right side
   72.99x = 3,769.25
5. Step 5: Solve for x
   x = 3,769.25/72.99
6. Step 6: Final answer
   x = 51.64