Finding the Fourth Proportional to 1,971.09, 2,955.84 and 738.20

Step by Step Solution

1. Step 1: Write the proportion equation
   1,971.09 : 2,955.84 = 738.20 : x
2. Step 2: Convert to fraction form
   1,971.09/2,955.84 = 738.20/x
3. Step 3: Cross multiply
   1,971.09x = 2,955.84 × 738.20
4. Step 4: Simplify right side
   1,971.09x = 2,181,986.31
5. Step 5: Solve for x
   x = 2,181,986.31/1,971.09
6. Step 6: Final answer
   x = 1,106.99