Finding the Fourth Proportional to 127,178.37, 175,520.07 and 72,735.59

Step by Step Solution

1. Step 1: Write the proportion equation
   127,178.37 : 175,520.07 = 72,735.59 : x
2. Step 2: Convert to fraction form
   127,178.37/175,520.07 = 72,735.59/x
3. Step 3: Cross multiply
   127,178.37x = 175,520.07 × 72,735.59
4. Step 4: Simplify right side
   127,178.37x = 12,766,554,970.69
5. Step 5: Solve for x
   x = 12,766,554,970.69/127,178.37
6. Step 6: Final answer
   x = 100,383.07