Finding the Fourth Proportional to 89.84, 124.01 and 62.30

Step by Step Solution

1. Step 1: Write the proportion equation
   89.84 : 124.01 = 62.30 : x
2. Step 2: Convert to fraction form
   89.84/124.01 = 62.30/x
3. Step 3: Cross multiply
   89.84x = 124.01 × 62.30
4. Step 4: Simplify right side
   89.84x = 7,724.89
5. Step 5: Solve for x
   x = 7,724.89/89.84
6. Step 6: Final answer
   x = 85.99