Finding the Fourth Proportional to 1,453.61, 2,003.87 and 1,103.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,453.61 : 2,003.87 = 1,103.69 : x
2. Step 2: Convert to fraction form
   1,453.61/2,003.87 = 1,103.69/x
3. Step 3: Cross multiply
   1,453.61x = 2,003.87 × 1,103.69
4. Step 4: Simplify right side
   1,453.61x = 2,211,645.76
5. Step 5: Solve for x
   x = 2,211,645.76/1,453.61
6. Step 6: Final answer
   x = 1,521.48