Finding the Fourth Proportional to 2,012.04, 3,018.86 and 1,038.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,012.04 : 3,018.86 = 1,038.76 : x
2. Step 2: Convert to fraction form
   2,012.04/3,018.86 = 1,038.76/x
3. Step 3: Cross multiply
   2,012.04x = 3,018.86 × 1,038.76
4. Step 4: Simplify right side
   2,012.04x = 3,135,871.01
5. Step 5: Solve for x
   x = 3,135,871.01/2,012.04
6. Step 6: Final answer
   x = 1,558.55