Finding the Fourth Proportional to 8,851.67, 13,277.52 and 3,919.98

Step by Step Solution

1. Step 1: Write the proportion equation
   8,851.67 : 13,277.52 = 3,919.98 : x
2. Step 2: Convert to fraction form
   8,851.67/13,277.52 = 3,919.98/x
3. Step 3: Cross multiply
   8,851.67x = 13,277.52 × 3,919.98
4. Step 4: Simplify right side
   8,851.67x = 52,047,612.85
5. Step 5: Solve for x
   x = 52,047,612.85/8,851.67
6. Step 6: Final answer
   x = 5,879.98