Finding the Fourth Proportional to 2,038.38, 2,812.23 and 1,153.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,038.38 : 2,812.23 = 1,153.86 : x
2. Step 2: Convert to fraction form
   2,038.38/2,812.23 = 1,153.86/x
3. Step 3: Cross multiply
   2,038.38x = 2,812.23 × 1,153.86
4. Step 4: Simplify right side
   2,038.38x = 3,244,919.71
5. Step 5: Solve for x
   x = 3,244,919.71/2,038.38
6. Step 6: Final answer
   x = 1,591.91