Finding the Fourth Proportional to 72.59, 108.71 and 59.82

Step by Step Solution

1. Step 1: Write the proportion equation
   72.59 : 108.71 = 59.82 : x
2. Step 2: Convert to fraction form
   72.59/108.71 = 59.82/x
3. Step 3: Cross multiply
   72.59x = 108.71 × 59.82
4. Step 4: Simplify right side
   72.59x = 6,502.73
5. Step 5: Solve for x
   x = 6,502.73/72.59
6. Step 6: Final answer
   x = 89.59