Finding the Fourth Proportional to 1,064.54, 1,597.52 and 577.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,064.54 : 1,597.52 = 577.94 : x
2. Step 2: Convert to fraction form
   1,064.54/1,597.52 = 577.94/x
3. Step 3: Cross multiply
   1,064.54x = 1,597.52 × 577.94
4. Step 4: Simplify right side
   1,064.54x = 923,264.17
5. Step 5: Solve for x
   x = 923,264.17/1,064.54
6. Step 6: Final answer
   x = 867.29