Finding the Fourth Proportional to 2,174.49, 3,002.32 and 1,920.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,174.49 : 3,002.32 = 1,920.48 : x
2. Step 2: Convert to fraction form
   2,174.49/3,002.32 = 1,920.48/x
3. Step 3: Cross multiply
   2,174.49x = 3,002.32 × 1,920.48
4. Step 4: Simplify right side
   2,174.49x = 5,765,875.85
5. Step 5: Solve for x
   x = 5,765,875.85/2,174.49
6. Step 6: Final answer
   x = 2,651.60