Finding the Fourth Proportional to 2,103.71, 3,157.52 and 1,064.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,103.71 : 3,157.52 = 1,064.45 : x
2. Step 2: Convert to fraction form
   2,103.71/3,157.52 = 1,064.45/x
3. Step 3: Cross multiply
   2,103.71x = 3,157.52 × 1,064.45
4. Step 4: Simplify right side
   2,103.71x = 3,361,024.84
5. Step 5: Solve for x
   x = 3,361,024.84/2,103.71
6. Step 6: Final answer
   x = 1,597.66