Finding the Fourth Proportional to 1,191.16, 1,644.06 and 693.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,191.16 : 1,644.06 = 693.82 : x
2. Step 2: Convert to fraction form
   1,191.16/1,644.06 = 693.82/x
3. Step 3: Cross multiply
   1,191.16x = 1,644.06 × 693.82
4. Step 4: Simplify right side
   1,191.16x = 1,140,681.71
5. Step 5: Solve for x
   x = 1,140,681.71/1,191.16
6. Step 6: Final answer
   x = 957.62