Finding the Fourth Proportional to 82.72, 123.96 and 59.84

Step by Step Solution

1. Step 1: Write the proportion equation
   82.72 : 123.96 = 59.84 : x
2. Step 2: Convert to fraction form
   82.72/123.96 = 59.84/x
3. Step 3: Cross multiply
   82.72x = 123.96 × 59.84
4. Step 4: Simplify right side
   82.72x = 7,417.77
5. Step 5: Solve for x
   x = 7,417.77/82.72
6. Step 6: Final answer
   x = 89.67