Finding the Fourth Proportional to 1,348.05, 1,860.25 and 758.58

Step by Step Solution

1. Step 1: Write the proportion equation
   1,348.05 : 1,860.25 = 758.58 : x
2. Step 2: Convert to fraction form
   1,348.05/1,860.25 = 758.58/x
3. Step 3: Cross multiply
   1,348.05x = 1,860.25 × 758.58
4. Step 4: Simplify right side
   1,348.05x = 1,411,148.45
5. Step 5: Solve for x
   x = 1,411,148.45/1,348.05
6. Step 6: Final answer
   x = 1,046.81