Finding the Fourth Proportional to 1,955.10, 2,931.89 and 705.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,955.10 : 2,931.89 = 705.33 : x
2. Step 2: Convert to fraction form
   1,955.10/2,931.89 = 705.33/x
3. Step 3: Cross multiply
   1,955.10x = 2,931.89 × 705.33
4. Step 4: Simplify right side
   1,955.10x = 2,067,946.45
5. Step 5: Solve for x
   x = 2,067,946.45/1,955.10
6. Step 6: Final answer
   x = 1,057.72