Finding the Fourth Proportional to 2,290.01, 3,157.23 and 2,259.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,290.01 : 3,157.23 = 2,259.03 : x
2. Step 2: Convert to fraction form
   2,290.01/3,157.23 = 2,259.03/x
3. Step 3: Cross multiply
   2,290.01x = 3,157.23 × 2,259.03
4. Step 4: Simplify right side
   2,290.01x = 7,132,277.29
5. Step 5: Solve for x
   x = 7,132,277.29/2,290.01
6. Step 6: Final answer
   x = 3,114.51