Finding the Fourth Proportional to 1,404.94, 2,109.03 and 756.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,404.94 : 2,109.03 = 756.94 : x
2. Step 2: Convert to fraction form
   1,404.94/2,109.03 = 756.94/x
3. Step 3: Cross multiply
   1,404.94x = 2,109.03 × 756.94
4. Step 4: Simplify right side
   1,404.94x = 1,596,409.17
5. Step 5: Solve for x
   x = 1,596,409.17/1,404.94
6. Step 6: Final answer
   x = 1,136.28