Finding the Fourth Proportional to 1,025.63, 1,415.17 and 583.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,025.63 : 1,415.17 = 583.37 : x
2. Step 2: Convert to fraction form
   1,025.63/1,415.17 = 583.37/x
3. Step 3: Cross multiply
   1,025.63x = 1,415.17 × 583.37
4. Step 4: Simplify right side
   1,025.63x = 825,567.72
5. Step 5: Solve for x
   x = 825,567.72/1,025.63
6. Step 6: Final answer
   x = 804.94