Finding the Fourth Proportional to 78,076.37, 107,744.49 and 42,265.59

Step by Step Solution

1. Step 1: Write the proportion equation
   78,076.37 : 107,744.49 = 42,265.59 : x
2. Step 2: Convert to fraction form
   78,076.37/107,744.49 = 42,265.59/x
3. Step 3: Cross multiply
   78,076.37x = 107,744.49 × 42,265.59
4. Step 4: Simplify right side
   78,076.37x = 4,553,884,439.10
5. Step 5: Solve for x
   x = 4,553,884,439.10/78,076.37
6. Step 6: Final answer
   x = 58,326.03