Finding the Fourth Proportional to 2,015.93, 3,018.42 and 1,040.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,015.93 : 3,018.42 = 1,040.10 : x
2. Step 2: Convert to fraction form
   2,015.93/3,018.42 = 1,040.10/x
3. Step 3: Cross multiply
   2,015.93x = 3,018.42 × 1,040.10
4. Step 4: Simplify right side
   2,015.93x = 3,139,458.64
5. Step 5: Solve for x
   x = 3,139,458.64/2,015.93
6. Step 6: Final answer
   x = 1,557.33