Finding the Fourth Proportional to 2,009.42, 3,013.77 and 693.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,009.42 : 3,013.77 = 693.17 : x
2. Step 2: Convert to fraction form
   2,009.42/3,013.77 = 693.17/x
3. Step 3: Cross multiply
   2,009.42x = 3,013.77 × 693.17
4. Step 4: Simplify right side
   2,009.42x = 2,089,054.95
5. Step 5: Solve for x
   x = 2,089,054.95/2,009.42
6. Step 6: Final answer
   x = 1,039.63