Finding the Fourth Proportional to 3,747.89, 5,621.98 and 974.49

Step by Step Solution

1. Step 1: Write the proportion equation
   3,747.89 : 5,621.98 = 974.49 : x
2. Step 2: Convert to fraction form
   3,747.89/5,621.98 = 974.49/x
3. Step 3: Cross multiply
   3,747.89x = 5,621.98 × 974.49
4. Step 4: Simplify right side
   3,747.89x = 5,478,563.29
5. Step 5: Solve for x
   x = 5,478,563.29/3,747.89
6. Step 6: Final answer
   x = 1,461.77