Finding the Fourth Proportional to 113,721.72, 170,620.32 and 34,836.72

Step by Step Solution

1. Step 1: Write the proportion equation
   113,721.72 : 170,620.32 = 34,836.72 : x
2. Step 2: Convert to fraction form
   113,721.72/170,620.32 = 34,836.72/x
3. Step 3: Cross multiply
   113,721.72x = 170,620.32 × 34,836.72
4. Step 4: Simplify right side
   113,721.72x = 5,943,852,314.15
5. Step 5: Solve for x
   x = 5,943,852,314.15/113,721.72
6. Step 6: Final answer
   x = 52,266.64