Finding the Fourth Proportional to 1,802.21, 2,701.48 and 1,144.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,802.21 : 2,701.48 = 1,144.57 : x
2. Step 2: Convert to fraction form
   1,802.21/2,701.48 = 1,144.57/x
3. Step 3: Cross multiply
   1,802.21x = 2,701.48 × 1,144.57
4. Step 4: Simplify right side
   1,802.21x = 3,092,023.54
5. Step 5: Solve for x
   x = 3,092,023.54/1,802.21
6. Step 6: Final answer
   x = 1,715.68