Finding the Fourth Proportional to 835.61, 1,152.29 and 693.59

Step by Step Solution

1. Step 1: Write the proportion equation
   835.61 : 1,152.29 = 693.59 : x
2. Step 2: Convert to fraction form
   835.61/1,152.29 = 693.59/x
3. Step 3: Cross multiply
   835.61x = 1,152.29 × 693.59
4. Step 4: Simplify right side
   835.61x = 799,216.82
5. Step 5: Solve for x
   x = 799,216.82/835.61
6. Step 6: Final answer
   x = 956.45