Finding the Fourth Proportional to 5,642.84, 8,469.72 and 2,723.20

Step by Step Solution

1. Step 1: Write the proportion equation
   5,642.84 : 8,469.72 = 2,723.20 : x
2. Step 2: Convert to fraction form
   5,642.84/8,469.72 = 2,723.20/x
3. Step 3: Cross multiply
   5,642.84x = 8,469.72 × 2,723.20
4. Step 4: Simplify right side
   5,642.84x = 23,064,741.50
5. Step 5: Solve for x
   x = 23,064,741.50/5,642.84
6. Step 6: Final answer
   x = 4,087.43