Finding the Fourth Proportional to 1,453.86, 2,004.21 and 1,103.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,453.86 : 2,004.21 = 1,103.94 : x
2. Step 2: Convert to fraction form
   1,453.86/2,004.21 = 1,103.94/x
3. Step 3: Cross multiply
   1,453.86x = 2,004.21 × 1,103.94
4. Step 4: Simplify right side
   1,453.86x = 2,212,527.59
5. Step 5: Solve for x
   x = 2,212,527.59/1,453.86
6. Step 6: Final answer
   x = 1,521.83