Finding the Fourth Proportional to 1,548.82, 2,322.78 and 757.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,548.82 : 2,322.78 = 757.69 : x
2. Step 2: Convert to fraction form
   1,548.82/2,322.78 = 757.69/x
3. Step 3: Cross multiply
   1,548.82x = 2,322.78 × 757.69
4. Step 4: Simplify right side
   1,548.82x = 1,759,938.53
5. Step 5: Solve for x
   x = 1,759,938.53/1,548.82
6. Step 6: Final answer
   x = 1,136.31