Finding the Fourth Proportional to 2,538.01, 3,808.15 and 1,613.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,538.01 : 3,808.15 = 1,613.33 : x
2. Step 2: Convert to fraction form
   2,538.01/3,808.15 = 1,613.33/x
3. Step 3: Cross multiply
   2,538.01x = 3,808.15 × 1,613.33
4. Step 4: Simplify right side
   2,538.01x = 6,143,779.57
5. Step 5: Solve for x
   x = 6,143,779.57/2,538.01
6. Step 6: Final answer
   x = 2,420.71