Finding the Fourth Proportional to 83.98, 125.83 and 59.28

Step by Step Solution

1. Step 1: Write the proportion equation
   83.98 : 125.83 = 59.28 : x
2. Step 2: Convert to fraction form
   83.98/125.83 = 59.28/x
3. Step 3: Cross multiply
   83.98x = 125.83 × 59.28
4. Step 4: Simplify right side
   83.98x = 7,459.20
5. Step 5: Solve for x
   x = 7,459.20/83.98
6. Step 6: Final answer
   x = 88.82