Finding the Fourth Proportional to 1,812.55, 2,500.96 and 1,103.93

Step by Step Solution

1. Step 1: Write the proportion equation
   1,812.55 : 2,500.96 = 1,103.93 : x
2. Step 2: Convert to fraction form
   1,812.55/2,500.96 = 1,103.93/x
3. Step 3: Cross multiply
   1,812.55x = 2,500.96 × 1,103.93
4. Step 4: Simplify right side
   1,812.55x = 2,760,872.27
5. Step 5: Solve for x
   x = 2,760,872.27/1,812.55
6. Step 6: Final answer
   x = 1,523.20