Finding the Fourth Proportional to 1,190.09, 1,783.52 and 756.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,190.09 : 1,783.52 = 756.47 : x
2. Step 2: Convert to fraction form
   1,190.09/1,783.52 = 756.47/x
3. Step 3: Cross multiply
   1,190.09x = 1,783.52 × 756.47
4. Step 4: Simplify right side
   1,190.09x = 1,349,182.89
5. Step 5: Solve for x
   x = 1,349,182.89/1,190.09
6. Step 6: Final answer
   x = 1,133.68