Finding the Fourth Proportional to 5,618.34, 7,753.46 and 3,100.49

Step by Step Solution

1. Step 1: Write the proportion equation
   5,618.34 : 7,753.46 = 3,100.49 : x
2. Step 2: Convert to fraction form
   5,618.34/7,753.46 = 3,100.49/x
3. Step 3: Cross multiply
   5,618.34x = 7,753.46 × 3,100.49
4. Step 4: Simplify right side
   5,618.34x = 24,039,470.93
5. Step 5: Solve for x
   x = 24,039,470.93/5,618.34
6. Step 6: Final answer
   x = 4,278.75