Finding the Fourth Proportional to 3,870.92, 5,806.35 and 2,300.53

Step by Step Solution

1. Step 1: Write the proportion equation
   3,870.92 : 5,806.35 = 2,300.53 : x
2. Step 2: Convert to fraction form
   3,870.92/5,806.35 = 2,300.53/x
3. Step 3: Cross multiply
   3,870.92x = 5,806.35 × 2,300.53
4. Step 4: Simplify right side
   3,870.92x = 13,357,676.48
5. Step 5: Solve for x
   x = 13,357,676.48/3,870.92
6. Step 6: Final answer
   x = 3,450.77