Finding the Fourth Proportional to 1,156.28, 1,594.89 and 713.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,156.28 : 1,594.89 = 713.61 : x
2. Step 2: Convert to fraction form
   1,156.28/1,594.89 = 713.61/x
3. Step 3: Cross multiply
   1,156.28x = 1,594.89 × 713.61
4. Step 4: Simplify right side
   1,156.28x = 1,138,129.45
5. Step 5: Solve for x
   x = 1,138,129.45/1,156.28
6. Step 6: Final answer
   x = 984.31