Finding the Fourth Proportional to 113,352.17, 170,028.38 and 42,273.72

Step by Step Solution

1. Step 1: Write the proportion equation
   113,352.17 : 170,028.38 = 42,273.72 : x
2. Step 2: Convert to fraction form
   113,352.17/170,028.38 = 42,273.72/x
3. Step 3: Cross multiply
   113,352.17x = 170,028.38 × 42,273.72
4. Step 4: Simplify right side
   113,352.17x = 7,187,732,233.86
5. Step 5: Solve for x
   x = 7,187,732,233.86/113,352.17
6. Step 6: Final answer
   x = 63,410.63