Finding the Fourth Proportional to 2,389.30, 3,583.35 and 849.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,389.30 : 3,583.35 = 849.94 : x
2. Step 2: Convert to fraction form
   2,389.30/3,583.35 = 849.94/x
3. Step 3: Cross multiply
   2,389.30x = 3,583.35 × 849.94
4. Step 4: Simplify right side
   2,389.30x = 3,045,632.50
5. Step 5: Solve for x
   x = 3,045,632.50/2,389.30
6. Step 6: Final answer
   x = 1,274.70