Finding the Fourth Proportional to 7,540.40, 10,404.98 and 4,182.34

Step by Step Solution

1. Step 1: Write the proportion equation
   7,540.40 : 10,404.98 = 4,182.34 : x
2. Step 2: Convert to fraction form
   7,540.40/10,404.98 = 4,182.34/x
3. Step 3: Cross multiply
   7,540.40x = 10,404.98 × 4,182.34
4. Step 4: Simplify right side
   7,540.40x = 43,517,164.05
5. Step 5: Solve for x
   x = 43,517,164.05/7,540.40
6. Step 6: Final answer
   x = 5,771.20