Finding the Fourth Proportional to 5,412.83, 7,469.33 and 3,174.32

Step by Step Solution

1. Step 1: Write the proportion equation
   5,412.83 : 7,469.33 = 3,174.32 : x
2. Step 2: Convert to fraction form
   5,412.83/7,469.33 = 3,174.32/x
3. Step 3: Cross multiply
   5,412.83x = 7,469.33 × 3,174.32
4. Step 4: Simplify right side
   5,412.83x = 23,709,990.39
5. Step 5: Solve for x
   x = 23,709,990.39/5,412.83
6. Step 6: Final answer
   x = 4,380.34