Finding the Fourth Proportional to 113,513.98, 170,270.04 and 42,454.54

Step by Step Solution

1. Step 1: Write the proportion equation
   113,513.98 : 170,270.04 = 42,454.54 : x
2. Step 2: Convert to fraction form
   113,513.98/170,270.04 = 42,454.54/x
3. Step 3: Cross multiply
   113,513.98x = 170,270.04 × 42,454.54
4. Step 4: Simplify right side
   113,513.98x = 7,228,736,223.98
5. Step 5: Solve for x
   x = 7,228,736,223.98/113,513.98
6. Step 6: Final answer
   x = 63,681.46