Finding the Fourth Proportional to 5,315.34, 7,341.78 and 3,750.42

Step by Step Solution

1. Step 1: Write the proportion equation
   5,315.34 : 7,341.78 = 3,750.42 : x
2. Step 2: Convert to fraction form
   5,315.34/7,341.78 = 3,750.42/x
3. Step 3: Cross multiply
   5,315.34x = 7,341.78 × 3,750.42
4. Step 4: Simplify right side
   5,315.34x = 27,534,758.55
5. Step 5: Solve for x
   x = 27,534,758.55/5,315.34
6. Step 6: Final answer
   x = 5,180.24