Finding the Fourth Proportional to 127,578.72, 191,377.86 and 38,839.80

Step by Step Solution

1. Step 1: Write the proportion equation
   127,578.72 : 191,377.86 = 38,839.80 : x
2. Step 2: Convert to fraction form
   127,578.72/191,377.86 = 38,839.80/x
3. Step 3: Cross multiply
   127,578.72x = 191,377.86 × 38,839.80
4. Step 4: Simplify right side
   127,578.72x = 7,433,077,806.83
5. Step 5: Solve for x
   x = 7,433,077,806.83/127,578.72
6. Step 6: Final answer
   x = 58,262.68