Finding the Fourth Proportional to 5,019.57, 7,515.43 and 3,783.29

Step by Step Solution

1. Step 1: Write the proportion equation
   5,019.57 : 7,515.43 = 3,783.29 : x
2. Step 2: Convert to fraction form
   5,019.57/7,515.43 = 3,783.29/x
3. Step 3: Cross multiply
   5,019.57x = 7,515.43 × 3,783.29
4. Step 4: Simplify right side
   5,019.57x = 28,433,004.13
5. Step 5: Solve for x
   x = 28,433,004.13/5,019.57
6. Step 6: Final answer
   x = 5,664.43