Finding the Fourth Proportional to 8,696.96, 13,066.26 and 5,583.05

Step by Step Solution

1. Step 1: Write the proportion equation
   8,696.96 : 13,066.26 = 5,583.05 : x
2. Step 2: Convert to fraction form
   8,696.96/13,066.26 = 5,583.05/x
3. Step 3: Cross multiply
   8,696.96x = 13,066.26 × 5,583.05
4. Step 4: Simplify right side
   8,696.96x = 72,949,582.89
5. Step 5: Solve for x
   x = 72,949,582.89/8,696.96
6. Step 6: Final answer
   x = 8,387.94