Finding the Fourth Proportional to 1,085.96, 1,499.36 and 693.51

Step by Step Solution

1. Step 1: Write the proportion equation
   1,085.96 : 1,499.36 = 693.51 : x
2. Step 2: Convert to fraction form
   1,085.96/1,499.36 = 693.51/x
3. Step 3: Cross multiply
   1,085.96x = 1,499.36 × 693.51
4. Step 4: Simplify right side
   1,085.96x = 1,039,826.64
5. Step 5: Solve for x
   x = 1,039,826.64/1,085.96
6. Step 6: Final answer
   x = 957.52