Finding the Fourth Proportional to 2,053.35, 3,081.24 and 1,129.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,053.35 : 3,081.24 = 1,129.14 : x
2. Step 2: Convert to fraction form
   2,053.35/3,081.24 = 1,129.14/x
3. Step 3: Cross multiply
   2,053.35x = 3,081.24 × 1,129.14
4. Step 4: Simplify right side
   2,053.35x = 3,479,151.33
5. Step 5: Solve for x
   x = 3,479,151.33/2,053.35
6. Step 6: Final answer
   x = 1,694.38