Finding the Fourth Proportional to 1,796.66, 2,696.43 and 931.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,796.66 : 2,696.43 = 931.22 : x
2. Step 2: Convert to fraction form
   1,796.66/2,696.43 = 931.22/x
3. Step 3: Cross multiply
   1,796.66x = 2,696.43 × 931.22
4. Step 4: Simplify right side
   1,796.66x = 2,510,969.54
5. Step 5: Solve for x
   x = 2,510,969.54/1,796.66
6. Step 6: Final answer
   x = 1,397.58