Finding the Fourth Proportional to 1,370.03, 2,054.52 and 1,078.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,370.03 : 2,054.52 = 1,078.10 : x
2. Step 2: Convert to fraction form
   1,370.03/2,054.52 = 1,078.10/x
3. Step 3: Cross multiply
   1,370.03x = 2,054.52 × 1,078.10
4. Step 4: Simplify right side
   1,370.03x = 2,214,978.01
5. Step 5: Solve for x
   x = 2,214,978.01/1,370.03
6. Step 6: Final answer
   x = 1,616.74