Finding the Fourth Proportional to 2,061.18, 2,844.32 and 1,129.68

Step by Step Solution

1. Step 1: Write the proportion equation
   2,061.18 : 2,844.32 = 1,129.68 : x
2. Step 2: Convert to fraction form
   2,061.18/2,844.32 = 1,129.68/x
3. Step 3: Cross multiply
   2,061.18x = 2,844.32 × 1,129.68
4. Step 4: Simplify right side
   2,061.18x = 3,213,171.42
5. Step 5: Solve for x
   x = 3,213,171.42/2,061.18
6. Step 6: Final answer
   x = 1,558.90