Finding the Fourth Proportional to 2,597.67, 3,870.38 and 2,430

Step by Step Solution

1. Step 1: Write the proportion equation
   2,597.67 : 3,870.38 = 2,430 : x
2. Step 2: Convert to fraction form
   2,597.67/3,870.38 = 2,430/x
3. Step 3: Cross multiply
   2,597.67x = 3,870.38 × 2,430
4. Step 4: Simplify right side
   2,597.67x = 9,405,029.48
5. Step 5: Solve for x
   x = 9,405,029.48/2,597.67
6. Step 6: Final answer
   x = 3,620.56