Finding the Fourth Proportional to 105,410.49, 158,126.84 and 34,338.69

Step by Step Solution

1. Step 1: Write the proportion equation
   105,410.49 : 158,126.84 = 34,338.69 : x
2. Step 2: Convert to fraction form
   105,410.49/158,126.84 = 34,338.69/x
3. Step 3: Cross multiply
   105,410.49x = 158,126.84 × 34,338.69
4. Step 4: Simplify right side
   105,410.49x = 5,429,868,367.75
5. Step 5: Solve for x
   x = 5,429,868,367.75/105,410.49
6. Step 6: Final answer
   x = 51,511.65