Finding the Fourth Proportional to 2,013.06, 3,019.56 and 1,038.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,013.06 : 3,019.56 = 1,038.60 : x
2. Step 2: Convert to fraction form
   2,013.06/3,019.56 = 1,038.60/x
3. Step 3: Cross multiply
   2,013.06x = 3,019.56 × 1,038.60
4. Step 4: Simplify right side
   2,013.06x = 3,136,115.02
5. Step 5: Solve for x
   x = 3,136,115.02/2,013.06
6. Step 6: Final answer
   x = 1,557.88