Finding the Fourth Proportional to 2,473.89, 3,710.63 and 913.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,473.89 : 3,710.63 = 913.83 : x
2. Step 2: Convert to fraction form
   2,473.89/3,710.63 = 913.83/x
3. Step 3: Cross multiply
   2,473.89x = 3,710.63 × 913.83
4. Step 4: Simplify right side
   2,473.89x = 3,390,880.44
5. Step 5: Solve for x
   x = 3,390,880.44/2,473.89
6. Step 6: Final answer
   x = 1,370.67