Finding the Fourth Proportional to 78,076.42, 107,744.72 and 42,265.52

Step by Step Solution

1. Step 1: Write the proportion equation
   78,076.42 : 107,744.72 = 42,265.52 : x
2. Step 2: Convert to fraction form
   78,076.42/107,744.72 = 42,265.52/x
3. Step 3: Cross multiply
   78,076.42x = 107,744.72 × 42,265.52
4. Step 4: Simplify right side
   78,076.42x = 4,553,886,618.05
5. Step 5: Solve for x
   x = 4,553,886,618.05/78,076.42
6. Step 6: Final answer
   x = 58,326.02