Finding the Fourth Proportional to 2,573.76, 3,870 and 2,370.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,573.76 : 3,870 = 2,370.84 : x
2. Step 2: Convert to fraction form
   2,573.76/3,870 = 2,370.84/x
3. Step 3: Cross multiply
   2,573.76x = 3,870 × 2,370.84
4. Step 4: Simplify right side
   2,573.76x = 9,175,150.80
5. Step 5: Solve for x
   x = 9,175,150.80/2,573.76
6. Step 6: Final answer
   x = 3,564.88