Finding the Fourth Proportional to 4,910.48, 7,365.78 and 1,400.49

Step by Step Solution

1. Step 1: Write the proportion equation
   4,910.48 : 7,365.78 = 1,400.49 : x
2. Step 2: Convert to fraction form
   4,910.48/7,365.78 = 1,400.49/x
3. Step 3: Cross multiply
   4,910.48x = 7,365.78 × 1,400.49
4. Step 4: Simplify right side
   4,910.48x = 10,315,667.90
5. Step 5: Solve for x
   x = 10,315,667.90/4,910.48
6. Step 6: Final answer
   x = 2,100.75