Finding the Fourth Proportional to 1,349.33, 1,870.56 and 1,275.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,349.33 : 1,870.56 = 1,275.41 : x
2. Step 2: Convert to fraction form
   1,349.33/1,870.56 = 1,275.41/x
3. Step 3: Cross multiply
   1,349.33x = 1,870.56 × 1,275.41
4. Step 4: Simplify right side
   1,349.33x = 2,385,735.61
5. Step 5: Solve for x
   x = 2,385,735.61/1,349.33
6. Step 6: Final answer
   x = 1,768.10