Finding the Fourth Proportional to 2,404.98, 3,607.23 and 866.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,404.98 : 3,607.23 = 866.10 : x
2. Step 2: Convert to fraction form
   2,404.98/3,607.23 = 866.10/x
3. Step 3: Cross multiply
   2,404.98x = 3,607.23 × 866.10
4. Step 4: Simplify right side
   2,404.98x = 3,124,221.90
5. Step 5: Solve for x
   x = 3,124,221.90/2,404.98
6. Step 6: Final answer
   x = 1,299.06