Finding the Fourth Proportional to 1,823.31, 2,735.49 and 899.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,823.31 : 2,735.49 = 899.15 : x
2. Step 2: Convert to fraction form
   1,823.31/2,735.49 = 899.15/x
3. Step 3: Cross multiply
   1,823.31x = 2,735.49 × 899.15
4. Step 4: Simplify right side
   1,823.31x = 2,459,615.83
5. Step 5: Solve for x
   x = 2,459,615.83/1,823.31
6. Step 6: Final answer
   x = 1,348.98