Finding the Fourth Proportional to 8,852.30, 13,272.30 and 3,919.25

Step by Step Solution

1. Step 1: Write the proportion equation
   8,852.30 : 13,272.30 = 3,919.25 : x
2. Step 2: Convert to fraction form
   8,852.30/13,272.30 = 3,919.25/x
3. Step 3: Cross multiply
   8,852.30x = 13,272.30 × 3,919.25
4. Step 4: Simplify right side
   8,852.30x = 52,017,375.82
5. Step 5: Solve for x
   x = 52,017,375.82/8,852.30
6. Step 6: Final answer
   x = 5,876.14