Finding the Fourth Proportional to 1,453.02, 2,003.16 and 1,242.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,453.02 : 2,003.16 = 1,242.27 : x
2. Step 2: Convert to fraction form
   1,453.02/2,003.16 = 1,242.27/x
3. Step 3: Cross multiply
   1,453.02x = 2,003.16 × 1,242.27
4. Step 4: Simplify right side
   1,453.02x = 2,488,465.57
5. Step 5: Solve for x
   x = 2,488,465.57/1,453.02
6. Step 6: Final answer
   x = 1,712.62