Finding the Fourth Proportional to 1,583.30, 2,185.03 and 884.67

Step by Step Solution

1. Step 1: Write the proportion equation
   1,583.30 : 2,185.03 = 884.67 : x
2. Step 2: Convert to fraction form
   1,583.30/2,185.03 = 884.67/x
3. Step 3: Cross multiply
   1,583.30x = 2,185.03 × 884.67
4. Step 4: Simplify right side
   1,583.30x = 1,933,030.72
5. Step 5: Solve for x
   x = 1,933,030.72/1,583.30
6. Step 6: Final answer
   x = 1,220.89