Finding the Fourth Proportional to 1,164.52, 1,606.28 and 716.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,164.52 : 1,606.28 = 716.16 : x
2. Step 2: Convert to fraction form
   1,164.52/1,606.28 = 716.16/x
3. Step 3: Cross multiply
   1,164.52x = 1,606.28 × 716.16
4. Step 4: Simplify right side
   1,164.52x = 1,150,353.48
5. Step 5: Solve for x
   x = 1,150,353.48/1,164.52
6. Step 6: Final answer
   x = 987.83