Finding the Fourth Proportional to 2,064.01, 3,097.56 and 1,285.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,064.01 : 3,097.56 = 1,285.15 : x
2. Step 2: Convert to fraction form
   2,064.01/3,097.56 = 1,285.15/x
3. Step 3: Cross multiply
   2,064.01x = 3,097.56 × 1,285.15
4. Step 4: Simplify right side
   2,064.01x = 3,980,829.23
5. Step 5: Solve for x
   x = 3,980,829.23/2,064.01
6. Step 6: Final answer
   x = 1,928.69