Finding the Fourth Proportional to 1,823.24, 2,516.18 and 1,380.44

Step by Step Solution

1. Step 1: Write the proportion equation
   1,823.24 : 2,516.18 = 1,380.44 : x
2. Step 2: Convert to fraction form
   1,823.24/2,516.18 = 1,380.44/x
3. Step 3: Cross multiply
   1,823.24x = 2,516.18 × 1,380.44
4. Step 4: Simplify right side
   1,823.24x = 3,473,435.52
5. Step 5: Solve for x
   x = 3,473,435.52/1,823.24
6. Step 6: Final answer
   x = 1,905.09