Finding the Fourth Proportional to 1,955.39, 2,935.15 and 1,911.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,955.39 : 2,935.15 = 1,911.32 : x
2. Step 2: Convert to fraction form
   1,955.39/2,935.15 = 1,911.32/x
3. Step 3: Cross multiply
   1,955.39x = 2,935.15 × 1,911.32
4. Step 4: Simplify right side
   1,955.39x = 5,609,996.22
5. Step 5: Solve for x
   x = 5,609,996.22/1,955.39
6. Step 6: Final answer
   x = 2,868.99