Finding the Fourth Proportional to 3,870.37, 5,809.65 and 2,410.55

Step by Step Solution

1. Step 1: Write the proportion equation
   3,870.37 : 5,809.65 = 2,410.55 : x
2. Step 2: Convert to fraction form
   3,870.37/5,809.65 = 2,410.55/x
3. Step 3: Cross multiply
   3,870.37x = 5,809.65 × 2,410.55
4. Step 4: Simplify right side
   3,870.37x = 14,004,451.81
5. Step 5: Solve for x
   x = 14,004,451.81/3,870.37
6. Step 6: Final answer
   x = 3,618.38