Finding the Fourth Proportional to 7,019.34, 10,520.37 and 3,554.70

Step by Step Solution

1. Step 1: Write the proportion equation
   7,019.34 : 10,520.37 = 3,554.70 : x
2. Step 2: Convert to fraction form
   7,019.34/10,520.37 = 3,554.70/x
3. Step 3: Cross multiply
   7,019.34x = 10,520.37 × 3,554.70
4. Step 4: Simplify right side
   7,019.34x = 37,396,759.24
5. Step 5: Solve for x
   x = 37,396,759.24/7,019.34
6. Step 6: Final answer
   x = 5,327.67