Finding the Fourth Proportional to 3,719.67, 5,583.15 and 2,261.67

Step by Step Solution

1. Step 1: Write the proportion equation
   3,719.67 : 5,583.15 = 2,261.67 : x
2. Step 2: Convert to fraction form
   3,719.67/5,583.15 = 2,261.67/x
3. Step 3: Cross multiply
   3,719.67x = 5,583.15 × 2,261.67
4. Step 4: Simplify right side
   3,719.67x = 12,627,242.86
5. Step 5: Solve for x
   x = 12,627,242.86/3,719.67
6. Step 6: Final answer
   x = 3,394.72