Finding the Fourth Proportional to 2,064.12, 2,848.59 and 1,317.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,064.12 : 2,848.59 = 1,317.48 : x
2. Step 2: Convert to fraction form
   2,064.12/2,848.59 = 1,317.48/x
3. Step 3: Cross multiply
   2,064.12x = 2,848.59 × 1,317.48
4. Step 4: Simplify right side
   2,064.12x = 3,752,960.35
5. Step 5: Solve for x
   x = 3,752,960.35/2,064.12
6. Step 6: Final answer
   x = 1,818.19