Finding the Fourth Proportional to 10,043.68, 13,859.78 and 5,567.40

Step by Step Solution

1. Step 1: Write the proportion equation
   10,043.68 : 13,859.78 = 5,567.40 : x
2. Step 2: Convert to fraction form
   10,043.68/13,859.78 = 5,567.40/x
3. Step 3: Cross multiply
   10,043.68x = 13,859.78 × 5,567.40
4. Step 4: Simplify right side
   10,043.68x = 77,162,939.17
5. Step 5: Solve for x
   x = 77,162,939.17/10,043.68
6. Step 6: Final answer
   x = 7,682.74