Finding the Fourth Proportional to 2,292.18, 3,162.51 and 1,407.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,292.18 : 3,162.51 = 1,407.42 : x
2. Step 2: Convert to fraction form
   2,292.18/3,162.51 = 1,407.42/x
3. Step 3: Cross multiply
   2,292.18x = 3,162.51 × 1,407.42
4. Step 4: Simplify right side
   2,292.18x = 4,450,979.82
5. Step 5: Solve for x
   x = 4,450,979.82/2,292.18
6. Step 6: Final answer
   x = 1,941.81