Finding the Fourth Proportional to 1,736.37, 2,602.72 and 1,078.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,736.37 : 2,602.72 = 1,078.24 : x
2. Step 2: Convert to fraction form
   1,736.37/2,602.72 = 1,078.24/x
3. Step 3: Cross multiply
   1,736.37x = 2,602.72 × 1,078.24
4. Step 4: Simplify right side
   1,736.37x = 2,806,356.81
5. Step 5: Solve for x
   x = 2,806,356.81/1,736.37
6. Step 6: Final answer
   x = 1,616.22