Finding the Fourth Proportional to 1,570.46, 2,354.30 and 1,340.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,570.46 : 2,354.30 = 1,340.82 : x
2. Step 2: Convert to fraction form
   1,570.46/2,354.30 = 1,340.82/x
3. Step 3: Cross multiply
   1,570.46x = 2,354.30 × 1,340.82
4. Step 4: Simplify right side
   1,570.46x = 3,156,690.85
5. Step 5: Solve for x
   x = 3,156,690.85/1,570.46
6. Step 6: Final answer
   x = 2,010.05