Finding the Fourth Proportional to 1,951.52, 2,928.32 and 1,131.39

Step by Step Solution

1. Step 1: Write the proportion equation
   1,951.52 : 2,928.32 = 1,131.39 : x
2. Step 2: Convert to fraction form
   1,951.52/2,928.32 = 1,131.39/x
3. Step 3: Cross multiply
   1,951.52x = 2,928.32 × 1,131.39
4. Step 4: Simplify right side
   1,951.52x = 3,313,066.31
5. Step 5: Solve for x
   x = 3,313,066.31/1,951.52
6. Step 6: Final answer
   x = 1,697.69