Finding the Fourth Proportional to 1,722.27, 2,583.47 and 899.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,722.27 : 2,583.47 = 899.98 : x
2. Step 2: Convert to fraction form
   1,722.27/2,583.47 = 899.98/x
3. Step 3: Cross multiply
   1,722.27x = 2,583.47 × 899.98
4. Step 4: Simplify right side
   1,722.27x = 2,325,071.33
5. Step 5: Solve for x
   x = 2,325,071.33/1,722.27
6. Step 6: Final answer
   x = 1,350.00