Finding the Fourth Proportional to 3,522.58, 5,283.46 and 925.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,522.58 : 5,283.46 = 925.72 : x
2. Step 2: Convert to fraction form
   3,522.58/5,283.46 = 925.72/x
3. Step 3: Cross multiply
   3,522.58x = 5,283.46 × 925.72
4. Step 4: Simplify right side
   3,522.58x = 4,890,992.54
5. Step 5: Solve for x
   x = 4,890,992.54/3,522.58
6. Step 6: Final answer
   x = 1,388.47