Finding the Fourth Proportional to 1,800.31, 2,469.49 and 1,784.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,800.31 : 2,469.49 = 1,784.72 : x
2. Step 2: Convert to fraction form
   1,800.31/2,469.49 = 1,784.72/x
3. Step 3: Cross multiply
   1,800.31x = 2,469.49 × 1,784.72
4. Step 4: Simplify right side
   1,800.31x = 4,407,348.19
5. Step 5: Solve for x
   x = 4,407,348.19/1,800.31
6. Step 6: Final answer
   x = 2,448.11