Finding the Fourth Proportional to 2,473.89, 3,709.98 and 913.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,473.89 : 3,709.98 = 913.56 : x
2. Step 2: Convert to fraction form
   2,473.89/3,709.98 = 913.56/x
3. Step 3: Cross multiply
   2,473.89x = 3,709.98 × 913.56
4. Step 4: Simplify right side
   2,473.89x = 3,389,289.33
5. Step 5: Solve for x
   x = 3,389,289.33/2,473.89
6. Step 6: Final answer
   x = 1,370.02