Finding the Fourth Proportional to 82.53, 123.57 and 62.19

Step by Step Solution

1. Step 1: Write the proportion equation
   82.53 : 123.57 = 62.19 : x
2. Step 2: Convert to fraction form
   82.53/123.57 = 62.19/x
3. Step 3: Cross multiply
   82.53x = 123.57 × 62.19
4. Step 4: Simplify right side
   82.53x = 7,684.82
5. Step 5: Solve for x
   x = 7,684.82/82.53
6. Step 6: Final answer
   x = 93.12