Finding the Fourth Proportional to 2,049.45, 2,827.74 and 1,153

Step by Step Solution

1. Step 1: Write the proportion equation
   2,049.45 : 2,827.74 = 1,153 : x
2. Step 2: Convert to fraction form
   2,049.45/2,827.74 = 1,153/x
3. Step 3: Cross multiply
   2,049.45x = 2,827.74 × 1,153
4. Step 4: Simplify right side
   2,049.45x = 3,260,384.22
5. Step 5: Solve for x
   x = 3,260,384.22/2,049.45
6. Step 6: Final answer
   x = 1,590.86