Finding the Fourth Proportional to 2,391.02, 3,586.50 and 635.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,391.02 : 3,586.50 = 635.86 : x
2. Step 2: Convert to fraction form
   2,391.02/3,586.50 = 635.86/x
3. Step 3: Cross multiply
   2,391.02x = 3,586.50 × 635.86
4. Step 4: Simplify right side
   2,391.02x = 2,280,511.89
5. Step 5: Solve for x
   x = 2,280,511.89/2,391.02
6. Step 6: Final answer
   x = 953.78