Finding the Fourth Proportional to 16,770.57, 25,151.81 and 4,921.49

Step by Step Solution

1. Step 1: Write the proportion equation
   16,770.57 : 25,151.81 = 4,921.49 : x
2. Step 2: Convert to fraction form
   16,770.57/25,151.81 = 4,921.49/x
3. Step 3: Cross multiply
   16,770.57x = 25,151.81 × 4,921.49
4. Step 4: Simplify right side
   16,770.57x = 123,784,231.03
5. Step 5: Solve for x
   x = 123,784,231.03/16,770.57
6. Step 6: Final answer
   x = 7,381.04