Finding the Fourth Proportional to 10,577.25, 15,867.50 and 3,181.55

Step by Step Solution

1. Step 1: Write the proportion equation
   10,577.25 : 15,867.50 = 3,181.55 : x
2. Step 2: Convert to fraction form
   10,577.25/15,867.50 = 3,181.55/x
3. Step 3: Cross multiply
   10,577.25x = 15,867.50 × 3,181.55
4. Step 4: Simplify right side
   10,577.25x = 50,483,149.38
5. Step 5: Solve for x
   x = 50,483,149.38/10,577.25
6. Step 6: Final answer
   x = 4,772.80