Finding the Fourth Proportional to 2,003.45, 2,764.13 and 1,258.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,003.45 : 2,764.13 = 1,258.16 : x
2. Step 2: Convert to fraction form
   2,003.45/2,764.13 = 1,258.16/x
3. Step 3: Cross multiply
   2,003.45x = 2,764.13 × 1,258.16
4. Step 4: Simplify right side
   2,003.45x = 3,477,697.69
5. Step 5: Solve for x
   x = 3,477,697.69/2,003.45
6. Step 6: Final answer
   x = 1,735.86