Finding the Fourth Proportional to 113,796.33, 170,712.96 and 42,724.54

Step by Step Solution

1. Step 1: Write the proportion equation
   113,796.33 : 170,712.96 = 42,724.54 : x
2. Step 2: Convert to fraction form
   113,796.33/170,712.96 = 42,724.54/x
3. Step 3: Cross multiply
   113,796.33x = 170,712.96 × 42,724.54
4. Step 4: Simplify right side
   113,796.33x = 7,293,632,688.04
5. Step 5: Solve for x
   x = 7,293,632,688.04/113,796.33
6. Step 6: Final answer
   x = 64,093.74