Finding the Fourth Proportional to 1,348.83, 1,857.60 and 1,265.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,348.83 : 1,857.60 = 1,265.49 : x
2. Step 2: Convert to fraction form
   1,348.83/1,857.60 = 1,265.49/x
3. Step 3: Cross multiply
   1,348.83x = 1,857.60 × 1,265.49
4. Step 4: Simplify right side
   1,348.83x = 2,350,774.22
5. Step 5: Solve for x
   x = 2,350,774.22/1,348.83
6. Step 6: Final answer
   x = 1,742.82