Finding the Fourth Proportional to 2,111.04, 3,166.74 and 1,015.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,111.04 : 3,166.74 = 1,015.56 : x
2. Step 2: Convert to fraction form
   2,111.04/3,166.74 = 1,015.56/x
3. Step 3: Cross multiply
   2,111.04x = 3,166.74 × 1,015.56
4. Step 4: Simplify right side
   2,111.04x = 3,216,014.47
5. Step 5: Solve for x
   x = 3,216,014.47/2,111.04
6. Step 6: Final answer
   x = 1,523.43