Finding the Fourth Proportional to 82,278.69, 123,462.69 and 34,920.42

Step by Step Solution

1. Step 1: Write the proportion equation
   82,278.69 : 123,462.69 = 34,920.42 : x
2. Step 2: Convert to fraction form
   82,278.69/123,462.69 = 34,920.42/x
3. Step 3: Cross multiply
   82,278.69x = 123,462.69 × 34,920.42
4. Step 4: Simplify right side
   82,278.69x = 4,311,368,989.13
5. Step 5: Solve for x
   x = 4,311,368,989.13/82,278.69
6. Step 6: Final answer
   x = 52,399.58