Finding the Fourth Proportional to 1,046.61, 1,443.69 and 767.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,046.61 : 1,443.69 = 767.16 : x
2. Step 2: Convert to fraction form
   1,046.61/1,443.69 = 767.16/x
3. Step 3: Cross multiply
   1,046.61x = 1,443.69 × 767.16
4. Step 4: Simplify right side
   1,046.61x = 1,107,541.22
5. Step 5: Solve for x
   x = 1,107,541.22/1,046.61
6. Step 6: Final answer
   x = 1,058.22