Finding the Fourth Proportional to 1,086.32, 1,498.73 and 713.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,086.32 : 1,498.73 = 713.50 : x
2. Step 2: Convert to fraction form
   1,086.32/1,498.73 = 713.50/x
3. Step 3: Cross multiply
   1,086.32x = 1,498.73 × 713.50
4. Step 4: Simplify right side
   1,086.32x = 1,069,342.96
5. Step 5: Solve for x
   x = 1,069,342.96/1,086.32
6. Step 6: Final answer
   x = 984.37