Finding the Fourth Proportional to 8,896.83, 12,278.27 and 4,917.86

Step by Step Solution

1. Step 1: Write the proportion equation
   8,896.83 : 12,278.27 = 4,917.86 : x
2. Step 2: Convert to fraction form
   8,896.83/12,278.27 = 4,917.86/x
3. Step 3: Cross multiply
   8,896.83x = 12,278.27 × 4,917.86
4. Step 4: Simplify right side
   8,896.83x = 60,382,788.31
5. Step 5: Solve for x
   x = 60,382,788.31/8,896.83
6. Step 6: Final answer
   x = 6,787.00