Finding the Fourth Proportional to 2,061.09, 2,844.31 and 1,129.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,061.09 : 2,844.31 = 1,129.59 : x
2. Step 2: Convert to fraction form
   2,061.09/2,844.31 = 1,129.59/x
3. Step 3: Cross multiply
   2,061.09x = 2,844.31 × 1,129.59
4. Step 4: Simplify right side
   2,061.09x = 3,212,916.21
5. Step 5: Solve for x
   x = 3,212,916.21/2,061.09
6. Step 6: Final answer
   x = 1,558.84