Finding the Fourth Proportional to 1,064.34, 1,595.57 and 544.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,064.34 : 1,595.57 = 544.05 : x
2. Step 2: Convert to fraction form
   1,064.34/1,595.57 = 544.05/x
3. Step 3: Cross multiply
   1,064.34x = 1,595.57 × 544.05
4. Step 4: Simplify right side
   1,064.34x = 868,067.14
5. Step 5: Solve for x
   x = 868,067.14/1,064.34
6. Step 6: Final answer
   x = 815.59