Finding the Fourth Proportional to 1,940.74, 2,906.37 and 1,245.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,940.74 : 2,906.37 = 1,245.22 : x
2. Step 2: Convert to fraction form
   1,940.74/2,906.37 = 1,245.22/x
3. Step 3: Cross multiply
   1,940.74x = 2,906.37 × 1,245.22
4. Step 4: Simplify right side
   1,940.74x = 3,619,070.05
5. Step 5: Solve for x
   x = 3,619,070.05/1,940.74
6. Step 6: Final answer
   x = 1,864.79