Finding the Fourth Proportional to 1,969.83, 2,955.78 and 738.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,969.83 : 2,955.78 = 738.09 : x
2. Step 2: Convert to fraction form
   1,969.83/2,955.78 = 738.09/x
3. Step 3: Cross multiply
   1,969.83x = 2,955.78 × 738.09
4. Step 4: Simplify right side
   1,969.83x = 2,181,631.66
5. Step 5: Solve for x
   x = 2,181,631.66/1,969.83
6. Step 6: Final answer
   x = 1,107.52