Finding the Fourth Proportional to 8,513.74, 12,775.59 and 3,583

Step by Step Solution

1. Step 1: Write the proportion equation
   8,513.74 : 12,775.59 = 3,583 : x
2. Step 2: Convert to fraction form
   8,513.74/12,775.59 = 3,583/x
3. Step 3: Cross multiply
   8,513.74x = 12,775.59 × 3,583
4. Step 4: Simplify right side
   8,513.74x = 45,774,938.97
5. Step 5: Solve for x
   x = 45,774,938.97/8,513.74
6. Step 6: Final answer
   x = 5,376.60