Finding the Fourth Proportional to 2,570.58, 3,545.56 and 1,613.77

Step by Step Solution

1. Step 1: Write the proportion equation
   2,570.58 : 3,545.56 = 1,613.77 : x
2. Step 2: Convert to fraction form
   2,570.58/3,545.56 = 1,613.77/x
3. Step 3: Cross multiply
   2,570.58x = 3,545.56 × 1,613.77
4. Step 4: Simplify right side
   2,570.58x = 5,721,700.63
5. Step 5: Solve for x
   x = 5,721,700.63/2,570.58
6. Step 6: Final answer
   x = 2,225.84