Finding the Fourth Proportional to 2,224.16, 3,338.31 and 1,129.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,224.16 : 3,338.31 = 1,129.29 : x
2. Step 2: Convert to fraction form
   2,224.16/3,338.31 = 1,129.29/x
3. Step 3: Cross multiply
   2,224.16x = 3,338.31 × 1,129.29
4. Step 4: Simplify right side
   2,224.16x = 3,769,930.59
5. Step 5: Solve for x
   x = 3,769,930.59/2,224.16
6. Step 6: Final answer
   x = 1,694.99