Finding the Fourth Proportional to 5,343.91, 7,376.27 and 3,105.34

Step by Step Solution

1. Step 1: Write the proportion equation
   5,343.91 : 7,376.27 = 3,105.34 : x
2. Step 2: Convert to fraction form
   5,343.91/7,376.27 = 3,105.34/x
3. Step 3: Cross multiply
   5,343.91x = 7,376.27 × 3,105.34
4. Step 4: Simplify right side
   5,343.91x = 22,905,792.31
5. Step 5: Solve for x
   x = 22,905,792.31/5,343.91
6. Step 6: Final answer
   x = 4,286.34