Finding the Fourth Proportional to 2,570.92, 3,858.54 and 2,061.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,570.92 : 3,858.54 = 2,061.16 : x
2. Step 2: Convert to fraction form
   2,570.92/3,858.54 = 2,061.16/x
3. Step 3: Cross multiply
   2,570.92x = 3,858.54 × 2,061.16
4. Step 4: Simplify right side
   2,570.92x = 7,953,068.31
5. Step 5: Solve for x
   x = 7,953,068.31/2,570.92
6. Step 6: Final answer
   x = 3,093.47