Finding the Fourth Proportional to 3,164.57, 4,742.69 and 2,290.01

Step by Step Solution

1. Step 1: Write the proportion equation
   3,164.57 : 4,742.69 = 2,290.01 : x
2. Step 2: Convert to fraction form
   3,164.57/4,742.69 = 2,290.01/x
3. Step 3: Cross multiply
   3,164.57x = 4,742.69 × 2,290.01
4. Step 4: Simplify right side
   3,164.57x = 10,860,772.36
5. Step 5: Solve for x
   x = 10,860,772.36/3,164.57
6. Step 6: Final answer
   x = 3,431.99