Finding the Fourth Proportional to 8,499.79, 12,754.68 and 3,569.05

Step by Step Solution

1. Step 1: Write the proportion equation
   8,499.79 : 12,754.68 = 3,569.05 : x
2. Step 2: Convert to fraction form
   8,499.79/12,754.68 = 3,569.05/x
3. Step 3: Cross multiply
   8,499.79x = 12,754.68 × 3,569.05
4. Step 4: Simplify right side
   8,499.79x = 45,522,058.77
5. Step 5: Solve for x
   x = 45,522,058.77/8,499.79
6. Step 6: Final answer
   x = 5,355.67