Finding the Fourth Proportional to 7,401.14, 10,213.88 and 4,257.34

Step by Step Solution

1. Step 1: Write the proportion equation
   7,401.14 : 10,213.88 = 4,257.34 : x
2. Step 2: Convert to fraction form
   7,401.14/10,213.88 = 4,257.34/x
3. Step 3: Cross multiply
   7,401.14x = 10,213.88 × 4,257.34
4. Step 4: Simplify right side
   7,401.14x = 43,483,959.88
5. Step 5: Solve for x
   x = 43,483,959.88/7,401.14
6. Step 6: Final answer
   x = 5,875.31