Finding the Fourth Proportional to 1,348.16, 1,860.52 and 758.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,348.16 : 1,860.52 = 758.72 : x
2. Step 2: Convert to fraction form
   1,348.16/1,860.52 = 758.72/x
3. Step 3: Cross multiply
   1,348.16x = 1,860.52 × 758.72
4. Step 4: Simplify right side
   1,348.16x = 1,411,613.73
5. Step 5: Solve for x
   x = 1,411,613.73/1,348.16
6. Step 6: Final answer
   x = 1,047.07