Finding the Fourth Proportional to 82,384.93, 123,282.15 and 71,329.78

Step by Step Solution

1. Step 1: Write the proportion equation
   82,384.93 : 123,282.15 = 71,329.78 : x
2. Step 2: Convert to fraction form
   82,384.93/123,282.15 = 71,329.78/x
3. Step 3: Cross multiply
   82,384.93x = 123,282.15 × 71,329.78
4. Step 4: Simplify right side
   82,384.93x = 8,793,688,637.43
5. Step 5: Solve for x
   x = 8,793,688,637.43/82,384.93
6. Step 6: Final answer
   x = 106,739.04