Finding the Fourth Proportional to 5,469.42, 7,546.35 and 3,111.18

Step by Step Solution

1. Step 1: Write the proportion equation
   5,469.42 : 7,546.35 = 3,111.18 : x
2. Step 2: Convert to fraction form
   5,469.42/7,546.35 = 3,111.18/x
3. Step 3: Cross multiply
   5,469.42x = 7,546.35 × 3,111.18
4. Step 4: Simplify right side
   5,469.42x = 23,478,053.19
5. Step 5: Solve for x
   x = 23,478,053.19/5,469.42
6. Step 6: Final answer
   x = 4,292.60