Finding the Fourth Proportional to 105,488.85, 158,238.37 and 34,411.35

Step by Step Solution

1. Step 1: Write the proportion equation
   105,488.85 : 158,238.37 = 34,411.35 : x
2. Step 2: Convert to fraction form
   105,488.85/158,238.37 = 34,411.35/x
3. Step 3: Cross multiply
   105,488.85x = 158,238.37 × 34,411.35
4. Step 4: Simplify right side
   105,488.85x = 5,445,195,679.82
5. Step 5: Solve for x
   x = 5,445,195,679.82/105,488.85
6. Step 6: Final answer
   x = 51,618.69