Finding the Fourth Proportional to 5,468.72, 8,199.43 and 2,656.80

Step by Step Solution

1. Step 1: Write the proportion equation
   5,468.72 : 8,199.43 = 2,656.80 : x
2. Step 2: Convert to fraction form
   5,468.72/8,199.43 = 2,656.80/x
3. Step 3: Cross multiply
   5,468.72x = 8,199.43 × 2,656.80
4. Step 4: Simplify right side
   5,468.72x = 21,784,238.98
5. Step 5: Solve for x
   x = 21,784,238.98/5,468.72
6. Step 6: Final answer
   x = 3,983.43