Finding the Fourth Proportional to 5,426.52, 7,486.46 and 3,540.30

Step by Step Solution

1. Step 1: Write the proportion equation
   5,426.52 : 7,486.46 = 3,540.30 : x
2. Step 2: Convert to fraction form
   5,426.52/7,486.46 = 3,540.30/x
3. Step 3: Cross multiply
   5,426.52x = 7,486.46 × 3,540.30
4. Step 4: Simplify right side
   5,426.52x = 26,504,314.34
5. Step 5: Solve for x
   x = 26,504,314.34/5,426.52
6. Step 6: Final answer
   x = 4,884.22