Finding the Fourth Proportional to 4,118.50, 6,162.25 and 2,888.31

Step by Step Solution

1. Step 1: Write the proportion equation
   4,118.50 : 6,162.25 = 2,888.31 : x
2. Step 2: Convert to fraction form
   4,118.50/6,162.25 = 2,888.31/x
3. Step 3: Cross multiply
   4,118.50x = 6,162.25 × 2,888.31
4. Step 4: Simplify right side
   4,118.50x = 17,798,488.30
5. Step 5: Solve for x
   x = 17,798,488.30/4,118.50
6. Step 6: Final answer
   x = 4,321.59