Finding the Fourth Proportional to 9,147.78, 13,718.43 and 3,950.82

Step by Step Solution

1. Step 1: Write the proportion equation
   9,147.78 : 13,718.43 = 3,950.82 : x
2. Step 2: Convert to fraction form
   9,147.78/13,718.43 = 3,950.82/x
3. Step 3: Cross multiply
   9,147.78x = 13,718.43 × 3,950.82
4. Step 4: Simplify right side
   9,147.78x = 54,199,047.61
5. Step 5: Solve for x
   x = 54,199,047.61/9,147.78
6. Step 6: Final answer
   x = 5,924.83