Finding the Fourth Proportional to 1,396.98, 1,927.82 and 767.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,396.98 : 1,927.82 = 767.52 : x
2. Step 2: Convert to fraction form
   1,396.98/1,927.82 = 767.52/x
3. Step 3: Cross multiply
   1,396.98x = 1,927.82 × 767.52
4. Step 4: Simplify right side
   1,396.98x = 1,479,640.41
5. Step 5: Solve for x
   x = 1,479,640.41/1,396.98
6. Step 6: Final answer
   x = 1,059.17