Finding the Fourth Proportional to 2,285.03, 3,153.36 and 1,237.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,285.03 : 3,153.36 = 1,237.10 : x
2. Step 2: Convert to fraction form
   2,285.03/3,153.36 = 1,237.10/x
3. Step 3: Cross multiply
   2,285.03x = 3,153.36 × 1,237.10
4. Step 4: Simplify right side
   2,285.03x = 3,901,003.57
5. Step 5: Solve for x
   x = 3,901,003.57/2,285.03
6. Step 6: Final answer
   x = 1,707.20