Finding the Fourth Proportional to 3,870.30, 5,339.01 and 2,451.60

Step by Step Solution

1. Step 1: Write the proportion equation
   3,870.30 : 5,339.01 = 2,451.60 : x
2. Step 2: Convert to fraction form
   3,870.30/5,339.01 = 2,451.60/x
3. Step 3: Cross multiply
   3,870.30x = 5,339.01 × 2,451.60
4. Step 4: Simplify right side
   3,870.30x = 13,089,116.92
5. Step 5: Solve for x
   x = 13,089,116.92/3,870.30
6. Step 6: Final answer
   x = 3,381.94