Finding the Fourth Proportional to 1,155.86, 1,595.38 and 713.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,155.86 : 1,595.38 = 713.50 : x
2. Step 2: Convert to fraction form
   1,155.86/1,595.38 = 713.50/x
3. Step 3: Cross multiply
   1,155.86x = 1,595.38 × 713.50
4. Step 4: Simplify right side
   1,155.86x = 1,138,306.83
5. Step 5: Solve for x
   x = 1,138,306.83/1,155.86
6. Step 6: Final answer
   x = 984.82