Finding the Fourth Proportional to 1,146.49, 1,719.01 and 756.07

Step by Step Solution

1. Step 1: Write the proportion equation
   1,146.49 : 1,719.01 = 756.07 : x
2. Step 2: Convert to fraction form
   1,146.49/1,719.01 = 756.07/x
3. Step 3: Cross multiply
   1,146.49x = 1,719.01 × 756.07
4. Step 4: Simplify right side
   1,146.49x = 1,299,691.89
5. Step 5: Solve for x
   x = 1,299,691.89/1,146.49
6. Step 6: Final answer
   x = 1,133.63