Finding the Fourth Proportional to 1,811.63, 2,500.15 and 1,103.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,811.63 : 2,500.15 = 1,103.37 : x
2. Step 2: Convert to fraction form
   1,811.63/2,500.15 = 1,103.37/x
3. Step 3: Cross multiply
   1,811.63x = 2,500.15 × 1,103.37
4. Step 4: Simplify right side
   1,811.63x = 2,758,578.00
5. Step 5: Solve for x
   x = 2,758,578.00/1,811.63
6. Step 6: Final answer
   x = 1,522.70