Finding the Fourth Proportional to 8,777.82, 13,169.03 and 3,156.06

Step by Step Solution

1. Step 1: Write the proportion equation
   8,777.82 : 13,169.03 = 3,156.06 : x
2. Step 2: Convert to fraction form
   8,777.82/13,169.03 = 3,156.06/x
3. Step 3: Cross multiply
   8,777.82x = 13,169.03 × 3,156.06
4. Step 4: Simplify right side
   8,777.82x = 41,562,233.04
5. Step 5: Solve for x
   x = 41,562,233.04/8,777.82
6. Step 6: Final answer
   x = 4,734.92