Finding the Fourth Proportional to 1,173.59, 1,619.27 and 731.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,173.59 : 1,619.27 = 731.33 : x
2. Step 2: Convert to fraction form
   1,173.59/1,619.27 = 731.33/x
3. Step 3: Cross multiply
   1,173.59x = 1,619.27 × 731.33
4. Step 4: Simplify right side
   1,173.59x = 1,184,212.63
5. Step 5: Solve for x
   x = 1,184,212.63/1,173.59
6. Step 6: Final answer
   x = 1,009.06