Finding the Fourth Proportional to 5,401.07, 7,442.37 and 4,142.06

Step by Step Solution

1. Step 1: Write the proportion equation
   5,401.07 : 7,442.37 = 4,142.06 : x
2. Step 2: Convert to fraction form
   5,401.07/7,442.37 = 4,142.06/x
3. Step 3: Cross multiply
   5,401.07x = 7,442.37 × 4,142.06
4. Step 4: Simplify right side
   5,401.07x = 30,826,705.87
5. Step 5: Solve for x
   x = 30,826,705.87/5,401.07
6. Step 6: Final answer
   x = 5,707.52