Finding the Fourth Proportional to 2,194.86, 3,023.82 and 1,407.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,194.86 : 3,023.82 = 1,407.54 : x
2. Step 2: Convert to fraction form
   2,194.86/3,023.82 = 1,407.54/x
3. Step 3: Cross multiply
   2,194.86x = 3,023.82 × 1,407.54
4. Step 4: Simplify right side
   2,194.86x = 4,256,147.60
5. Step 5: Solve for x
   x = 4,256,147.60/2,194.86
6. Step 6: Final answer
   x = 1,939.14