Finding the Fourth Proportional to 2,003.34, 2,764.32 and 1,206.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,003.34 : 2,764.32 = 1,206.48 : x
2. Step 2: Convert to fraction form
   2,003.34/2,764.32 = 1,206.48/x
3. Step 3: Cross multiply
   2,003.34x = 2,764.32 × 1,206.48
4. Step 4: Simplify right side
   2,003.34x = 3,335,096.79
5. Step 5: Solve for x
   x = 3,335,096.79/2,003.34
6. Step 6: Final answer
   x = 1,664.77