Finding the Fourth Proportional to 5,469.85, 7,548.15 and 3,111.94

Step by Step Solution

1. Step 1: Write the proportion equation
   5,469.85 : 7,548.15 = 3,111.94 : x
2. Step 2: Convert to fraction form
   5,469.85/7,548.15 = 3,111.94/x
3. Step 3: Cross multiply
   5,469.85x = 7,548.15 × 3,111.94
4. Step 4: Simplify right side
   5,469.85x = 23,489,389.91
5. Step 5: Solve for x
   x = 23,489,389.91/5,469.85
6. Step 6: Final answer
   x = 4,294.34