Finding the Fourth Proportional to 78,233.45, 107,960.24 and 42,422.54

Step by Step Solution

1. Step 1: Write the proportion equation
   78,233.45 : 107,960.24 = 42,422.54 : x
2. Step 2: Convert to fraction form
   78,233.45/107,960.24 = 42,422.54/x
3. Step 3: Cross multiply
   78,233.45x = 107,960.24 × 42,422.54
4. Step 4: Simplify right side
   78,233.45x = 4,579,947,166.06
5. Step 5: Solve for x
   x = 4,579,947,166.06/78,233.45
6. Step 6: Final answer
   x = 58,542.06