Finding the Fourth Proportional to 1,507.25, 2,078.96 and 1,383.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,507.25 : 2,078.96 = 1,383.32 : x
2. Step 2: Convert to fraction form
   1,507.25/2,078.96 = 1,383.32/x
3. Step 3: Cross multiply
   1,507.25x = 2,078.96 × 1,383.32
4. Step 4: Simplify right side
   1,507.25x = 2,875,849.64
5. Step 5: Solve for x
   x = 2,875,849.64/1,507.25
6. Step 6: Final answer
   x = 1,908.02