Finding the Fourth Proportional to 1,827.27, 2,521.71 and 1,129.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,827.27 : 2,521.71 = 1,129.05 : x
2. Step 2: Convert to fraction form
   1,827.27/2,521.71 = 1,129.05/x
3. Step 3: Cross multiply
   1,827.27x = 2,521.71 × 1,129.05
4. Step 4: Simplify right side
   1,827.27x = 2,847,136.68
5. Step 5: Solve for x
   x = 2,847,136.68/1,827.27
6. Step 6: Final answer
   x = 1,558.14