Finding the Fourth Proportional to 1,955.78, 2,696.18 and 1,395.29

Step by Step Solution

1. Step 1: Write the proportion equation
   1,955.78 : 2,696.18 = 1,395.29 : x
2. Step 2: Convert to fraction form
   1,955.78/2,696.18 = 1,395.29/x
3. Step 3: Cross multiply
   1,955.78x = 2,696.18 × 1,395.29
4. Step 4: Simplify right side
   1,955.78x = 3,761,932.53
5. Step 5: Solve for x
   x = 3,761,932.53/1,955.78
6. Step 6: Final answer
   x = 1,923.50