Finding the Fourth Proportional to 2,061.36, 2,844.72 and 1,129.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,061.36 : 2,844.72 = 1,129.86 : x
2. Step 2: Convert to fraction form
   2,061.36/2,844.72 = 1,129.86/x
3. Step 3: Cross multiply
   2,061.36x = 2,844.72 × 1,129.86
4. Step 4: Simplify right side
   2,061.36x = 3,214,135.34
5. Step 5: Solve for x
   x = 3,214,135.34/2,061.36
6. Step 6: Final answer
   x = 1,559.23