Finding the Fourth Proportional to 2,245.47, 3,097.95 and 1,407.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,245.47 : 3,097.95 = 1,407.23 : x
2. Step 2: Convert to fraction form
   2,245.47/3,097.95 = 1,407.23/x
3. Step 3: Cross multiply
   2,245.47x = 3,097.95 × 1,407.23
4. Step 4: Simplify right side
   2,245.47x = 4,359,512.69
5. Step 5: Solve for x
   x = 4,359,512.69/2,245.47
6. Step 6: Final answer
   x = 1,941.47