Finding the Fourth Proportional to 1,968.32, 2,951.72 and 735.45

Step by Step Solution

1. Step 1: Write the proportion equation
   1,968.32 : 2,951.72 = 735.45 : x
2. Step 2: Convert to fraction form
   1,968.32/2,951.72 = 735.45/x
3. Step 3: Cross multiply
   1,968.32x = 2,951.72 × 735.45
4. Step 4: Simplify right side
   1,968.32x = 2,170,842.47
5. Step 5: Solve for x
   x = 2,170,842.47/1,968.32
6. Step 6: Final answer
   x = 1,102.89