Finding the Fourth Proportional to 2,068.63, 2,854.98 and 1,570.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,068.63 : 2,854.98 = 1,570.42 : x
2. Step 2: Convert to fraction form
   2,068.63/2,854.98 = 1,570.42/x
3. Step 3: Cross multiply
   2,068.63x = 2,854.98 × 1,570.42
4. Step 4: Simplify right side
   2,068.63x = 4,483,517.69
5. Step 5: Solve for x
   x = 4,483,517.69/2,068.63
6. Step 6: Final answer
   x = 2,167.39