Finding the Fourth Proportional to 91.98, 127.02 and 62.82

Step by Step Solution

1. Step 1: Write the proportion equation
   91.98 : 127.02 = 62.82 : x
2. Step 2: Convert to fraction form
   91.98/127.02 = 62.82/x
3. Step 3: Cross multiply
   91.98x = 127.02 × 62.82
4. Step 4: Simplify right side
   91.98x = 7,979.40
5. Step 5: Solve for x
   x = 7,979.40/91.98
6. Step 6: Final answer
   x = 86.75