Finding the Fourth Proportional to 72.34, 108.42 and 46.69

Step by Step Solution

1. Step 1: Write the proportion equation
   72.34 : 108.42 = 46.69 : x
2. Step 2: Convert to fraction form
   72.34/108.42 = 46.69/x
3. Step 3: Cross multiply
   72.34x = 108.42 × 46.69
4. Step 4: Simplify right side
   72.34x = 5,062.13
5. Step 5: Solve for x
   x = 5,062.13/72.34
6. Step 6: Final answer
   x = 69.98