Finding the Fourth Proportional to 2,618.52, 3,613.05 and 1,570.92

Step by Step Solution

1. Step 1: Write the proportion equation
   2,618.52 : 3,613.05 = 1,570.92 : x
2. Step 2: Convert to fraction form
   2,618.52/3,613.05 = 1,570.92/x
3. Step 3: Cross multiply
   2,618.52x = 3,613.05 × 1,570.92
4. Step 4: Simplify right side
   2,618.52x = 5,675,812.51
5. Step 5: Solve for x
   x = 5,675,812.51/2,618.52
6. Step 6: Final answer
   x = 2,167.57