Finding the Fourth Proportional to 72.59, 108.37 and 72.08

Step by Step Solution

1. Step 1: Write the proportion equation
   72.59 : 108.37 = 72.08 : x
2. Step 2: Convert to fraction form
   72.59/108.37 = 72.08/x
3. Step 3: Cross multiply
   72.59x = 108.37 × 72.08
4. Step 4: Simplify right side
   72.59x = 7,810.59
5. Step 5: Solve for x
   x = 7,810.59/72.59
6. Step 6: Final answer
   x = 107.61