Finding the Fourth Proportional to 3,679.34, 5,077.89 and 2,483.78

Step by Step Solution

1. Step 1: Write the proportion equation
   3,679.34 : 5,077.89 = 2,483.78 : x
2. Step 2: Convert to fraction form
   3,679.34/5,077.89 = 2,483.78/x
3. Step 3: Cross multiply
   3,679.34x = 5,077.89 × 2,483.78
4. Step 4: Simplify right side
   3,679.34x = 12,612,336.23
5. Step 5: Solve for x
   x = 12,612,336.23/3,679.34
6. Step 6: Final answer
   x = 3,427.88