Finding the Fourth Proportional to 7,401.84, 10,213.47 and 4,257.42

Step by Step Solution

1. Step 1: Write the proportion equation
   7,401.84 : 10,213.47 = 4,257.42 : x
2. Step 2: Convert to fraction form
   7,401.84/10,213.47 = 4,257.42/x
3. Step 3: Cross multiply
   7,401.84x = 10,213.47 × 4,257.42
4. Step 4: Simplify right side
   7,401.84x = 43,483,031.45
5. Step 5: Solve for x
   x = 43,483,031.45/7,401.84
6. Step 6: Final answer
   x = 5,874.62