Finding the Fourth Proportional to 8,995.69, 13,493.49 and 2,421.31

Step by Step Solution

1. Step 1: Write the proportion equation
   8,995.69 : 13,493.49 = 2,421.31 : x
2. Step 2: Convert to fraction form
   8,995.69/13,493.49 = 2,421.31/x
3. Step 3: Cross multiply
   8,995.69x = 13,493.49 × 2,421.31
4. Step 4: Simplify right side
   8,995.69x = 32,671,922.27
5. Step 5: Solve for x
   x = 32,671,922.27/8,995.69
6. Step 6: Final answer
   x = 3,631.95