Finding the Fourth Proportional to 83.89, 125.56 and 59.49

Step by Step Solution

1. Step 1: Write the proportion equation
   83.89 : 125.56 = 59.49 : x
2. Step 2: Convert to fraction form
   83.89/125.56 = 59.49/x
3. Step 3: Cross multiply
   83.89x = 125.56 × 59.49
4. Step 4: Simplify right side
   83.89x = 7,469.56
5. Step 5: Solve for x
   x = 7,469.56/83.89
6. Step 6: Final answer
   x = 89.04