Finding the Fourth Proportional to 8,453.42, 12,679.42 and 2,610.08

Step by Step Solution

1. Step 1: Write the proportion equation
   8,453.42 : 12,679.42 = 2,610.08 : x
2. Step 2: Convert to fraction form
   8,453.42/12,679.42 = 2,610.08/x
3. Step 3: Cross multiply
   8,453.42x = 12,679.42 × 2,610.08
4. Step 4: Simplify right side
   8,453.42x = 33,094,300.55
5. Step 5: Solve for x
   x = 33,094,300.55/8,453.42
6. Step 6: Final answer
   x = 3,914.90