Finding the Fourth Proportional to 1,583.25, 2,184.89 and 884.63

Step by Step Solution

1. Step 1: Write the proportion equation
   1,583.25 : 2,184.89 = 884.63 : x
2. Step 2: Convert to fraction form
   1,583.25/2,184.89 = 884.63/x
3. Step 3: Cross multiply
   1,583.25x = 2,184.89 × 884.63
4. Step 4: Simplify right side
   1,583.25x = 1,932,803.89
5. Step 5: Solve for x
   x = 1,932,803.89/1,583.25
6. Step 6: Final answer
   x = 1,220.78