Finding the Fourth Proportional to 113,385.78, 170,103.15 and 34,506.18

Step by Step Solution

1. Step 1: Write the proportion equation
   113,385.78 : 170,103.15 = 34,506.18 : x
2. Step 2: Convert to fraction form
   113,385.78/170,103.15 = 34,506.18/x
3. Step 3: Cross multiply
   113,385.78x = 170,103.15 × 34,506.18
4. Step 4: Simplify right side
   113,385.78x = 5,869,609,912.47
5. Step 5: Solve for x
   x = 5,869,609,912.47/113,385.78
6. Step 6: Final answer
   x = 51,766.72