Finding the Fourth Proportional to 8,897.82, 12,278.92 and 4,919.04

Step by Step Solution

1. Step 1: Write the proportion equation
   8,897.82 : 12,278.92 = 4,919.04 : x
2. Step 2: Convert to fraction form
   8,897.82/12,278.92 = 4,919.04/x
3. Step 3: Cross multiply
   8,897.82x = 12,278.92 × 4,919.04
4. Step 4: Simplify right side
   8,897.82x = 60,400,498.64
5. Step 5: Solve for x
   x = 60,400,498.64/8,897.82
6. Step 6: Final answer
   x = 6,788.24