Finding the Fourth Proportional to 2,972.86, 4,456.86 and 1,122.92

Step by Step Solution

1. Step 1: Write the proportion equation
   2,972.86 : 4,456.86 = 1,122.92 : x
2. Step 2: Convert to fraction form
   2,972.86/4,456.86 = 1,122.92/x
3. Step 3: Cross multiply
   2,972.86x = 4,456.86 × 1,122.92
4. Step 4: Simplify right side
   2,972.86x = 5,004,697.23
5. Step 5: Solve for x
   x = 5,004,697.23/2,972.86
6. Step 6: Final answer
   x = 1,683.46