Finding the Fourth Proportional to 2,456.91, 3,686.01 and 1,070.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,456.91 : 3,686.01 = 1,070.53 : x
2. Step 2: Convert to fraction form
   2,456.91/3,686.01 = 1,070.53/x
3. Step 3: Cross multiply
   2,456.91x = 3,686.01 × 1,070.53
4. Step 4: Simplify right side
   2,456.91x = 3,945,984.29
5. Step 5: Solve for x
   x = 3,945,984.29/2,456.91
6. Step 6: Final answer
   x = 1,606.08