Finding the Fourth Proportional to 1,009.32, 1,393.73 and 694.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,009.32 : 1,393.73 = 694.50 : x
2. Step 2: Convert to fraction form
   1,009.32/1,393.73 = 694.50/x
3. Step 3: Cross multiply
   1,009.32x = 1,393.73 × 694.50
4. Step 4: Simplify right side
   1,009.32x = 967,945.49
5. Step 5: Solve for x
   x = 967,945.49/1,009.32
6. Step 6: Final answer
   x = 959.01