Finding the Fourth Proportional to 82,412.12, 123,396.75 and 67,797.50

Step by Step Solution

1. Step 1: Write the proportion equation
   82,412.12 : 123,396.75 = 67,797.50 : x
2. Step 2: Convert to fraction form
   82,412.12/123,396.75 = 67,797.50/x
3. Step 3: Cross multiply
   82,412.12x = 123,396.75 × 67,797.50
4. Step 4: Simplify right side
   82,412.12x = 8,365,990,541.14
5. Step 5: Solve for x
   x = 8,365,990,541.14/82,412.12
6. Step 6: Final answer
   x = 101,514.08