Finding the Fourth Proportional to 2,092.34, 3,138.42 and 553.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,092.34 : 3,138.42 = 553.34 : x
2. Step 2: Convert to fraction form
   2,092.34/3,138.42 = 553.34/x
3. Step 3: Cross multiply
   2,092.34x = 3,138.42 × 553.34
4. Step 4: Simplify right side
   2,092.34x = 1,736,613.32
5. Step 5: Solve for x
   x = 1,736,613.32/2,092.34
6. Step 6: Final answer
   x = 829.99