Finding the Fourth Proportional to 1,424.69, 2,132.49 and 764.93

Step by Step Solution

1. Step 1: Write the proportion equation
   1,424.69 : 2,132.49 = 764.93 : x
2. Step 2: Convert to fraction form
   1,424.69/2,132.49 = 764.93/x
3. Step 3: Cross multiply
   1,424.69x = 2,132.49 × 764.93
4. Step 4: Simplify right side
   1,424.69x = 1,631,205.58
5. Step 5: Solve for x
   x = 1,631,205.58/1,424.69
6. Step 6: Final answer
   x = 1,144.95