Finding the Fourth Proportional to 2,412.89, 3,610.84 and 2,087.64

Step by Step Solution

1. Step 1: Write the proportion equation
   2,412.89 : 3,610.84 = 2,087.64 : x
2. Step 2: Convert to fraction form
   2,412.89/3,610.84 = 2,087.64/x
3. Step 3: Cross multiply
   2,412.89x = 3,610.84 × 2,087.64
4. Step 4: Simplify right side
   2,412.89x = 7,538,134.02
5. Step 5: Solve for x
   x = 7,538,134.02/2,412.89
6. Step 6: Final answer
   x = 3,124.12