Finding the Fourth Proportional to 8,790.77, 13,181.89 and 3,246.73

Step by Step Solution

1. Step 1: Write the proportion equation
   8,790.77 : 13,181.89 = 3,246.73 : x
2. Step 2: Convert to fraction form
   8,790.77/13,181.89 = 3,246.73/x
3. Step 3: Cross multiply
   8,790.77x = 13,181.89 × 3,246.73
4. Step 4: Simplify right side
   8,790.77x = 42,798,037.72
5. Step 5: Solve for x
   x = 42,798,037.72/8,790.77
6. Step 6: Final answer
   x = 4,868.52