Finding the Fourth Proportional to 113,665.38, 170,504.90 and 34,780.29

Step by Step Solution

1. Step 1: Write the proportion equation
   113,665.38 : 170,504.90 = 34,780.29 : x
2. Step 2: Convert to fraction form
   113,665.38/170,504.90 = 34,780.29/x
3. Step 3: Cross multiply
   113,665.38x = 170,504.90 × 34,780.29
4. Step 4: Simplify right side
   113,665.38x = 5,930,209,868.42
5. Step 5: Solve for x
   x = 5,930,209,868.42/113,665.38
6. Step 6: Final answer
   x = 52,172.52