Finding the Fourth Proportional to 82.50, 123.48 and 62.16

Step by Step Solution

1. Step 1: Write the proportion equation
   82.50 : 123.48 = 62.16 : x
2. Step 2: Convert to fraction form
   82.50/123.48 = 62.16/x
3. Step 3: Cross multiply
   82.50x = 123.48 × 62.16
4. Step 4: Simplify right side
   82.50x = 7,675.52
5. Step 5: Solve for x
   x = 7,675.52/82.50
6. Step 6: Final answer
   x = 93.04