Finding the Fourth Proportional to 5,376.72, 7,419.60 and 3,019.62

Step by Step Solution

1. Step 1: Write the proportion equation
   5,376.72 : 7,419.60 = 3,019.62 : x
2. Step 2: Convert to fraction form
   5,376.72/7,419.60 = 3,019.62/x
3. Step 3: Cross multiply
   5,376.72x = 7,419.60 × 3,019.62
4. Step 4: Simplify right side
   5,376.72x = 22,404,372.55
5. Step 5: Solve for x
   x = 22,404,372.55/5,376.72
6. Step 6: Final answer
   x = 4,166.92