Finding the Fourth Proportional to 491,792.88, 678,667.50 and 276,935.52

Step by Step Solution

1. Step 1: Write the proportion equation
   491,792.88 : 678,667.50 = 276,935.52 : x
2. Step 2: Convert to fraction form
   491,792.88/678,667.50 = 276,935.52/x
3. Step 3: Cross multiply
   491,792.88x = 678,667.50 × 276,935.52
4. Step 4: Simplify right side
   491,792.88x = 187,947,137,019.60
5. Step 5: Solve for x
   x = 187,947,137,019.60/491,792.88
6. Step 6: Final answer
   x = 382,167.26