Finding the Fourth Proportional to 10,043.16, 13,859.28 and 5,566.80

Step by Step Solution

1. Step 1: Write the proportion equation
   10,043.16 : 13,859.28 = 5,566.80 : x
2. Step 2: Convert to fraction form
   10,043.16/13,859.28 = 5,566.80/x
3. Step 3: Cross multiply
   10,043.16x = 13,859.28 × 5,566.80
4. Step 4: Simplify right side
   10,043.16x = 77,151,839.90
5. Step 5: Solve for x
   x = 77,151,839.90/10,043.16
6. Step 6: Final answer
   x = 7,682.03