Finding the Fourth Proportional to 5,469.74, 7,548.42 and 3,112.04

Step by Step Solution

1. Step 1: Write the proportion equation
   5,469.74 : 7,548.42 = 3,112.04 : x
2. Step 2: Convert to fraction form
   5,469.74/7,548.42 = 3,112.04/x
3. Step 3: Cross multiply
   5,469.74x = 7,548.42 × 3,112.04
4. Step 4: Simplify right side
   5,469.74x = 23,490,984.98
5. Step 5: Solve for x
   x = 23,490,984.98/5,469.74
6. Step 6: Final answer
   x = 4,294.72