Finding the Fourth Proportional to 1,965.55, 2,944.86 and 1,039.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,965.55 : 2,944.86 = 1,039.06 : x
2. Step 2: Convert to fraction form
   1,965.55/2,944.86 = 1,039.06/x
3. Step 3: Cross multiply
   1,965.55x = 2,944.86 × 1,039.06
4. Step 4: Simplify right side
   1,965.55x = 3,059,886.23
5. Step 5: Solve for x
   x = 3,059,886.23/1,965.55
6. Step 6: Final answer
   x = 1,556.76