Finding the Fourth Proportional to 82.71, 123.96 and 59.94

Step by Step Solution

1. Step 1: Write the proportion equation
   82.71 : 123.96 = 59.94 : x
2. Step 2: Convert to fraction form
   82.71/123.96 = 59.94/x
3. Step 3: Cross multiply
   82.71x = 123.96 × 59.94
4. Step 4: Simplify right side
   82.71x = 7,430.16
5. Step 5: Solve for x
   x = 7,430.16/82.71
6. Step 6: Final answer
   x = 89.83