Finding the Fourth Proportional to 2,948.37, 4,420.05 and 1,281.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,948.37 : 4,420.05 = 1,281.24 : x
2. Step 2: Convert to fraction form
   2,948.37/4,420.05 = 1,281.24/x
3. Step 3: Cross multiply
   2,948.37x = 4,420.05 × 1,281.24
4. Step 4: Simplify right side
   2,948.37x = 5,663,144.86
5. Step 5: Solve for x
   x = 5,663,144.86/2,948.37
6. Step 6: Final answer
   x = 1,920.77