Finding the Fourth Proportional to 10,143.83, 13,998.78 and 5,668.08

Step by Step Solution

1. Step 1: Write the proportion equation
   10,143.83 : 13,998.78 = 5,668.08 : x
2. Step 2: Convert to fraction form
   10,143.83/13,998.78 = 5,668.08/x
3. Step 3: Cross multiply
   10,143.83x = 13,998.78 × 5,668.08
4. Step 4: Simplify right side
   10,143.83x = 79,346,152.45
5. Step 5: Solve for x
   x = 79,346,152.45/10,143.83
6. Step 6: Final answer
   x = 7,822.11