Finding the Fourth Proportional to 2,841.48, 3,921.12 and 2,054.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,841.48 : 3,921.12 = 2,054.16 : x
2. Step 2: Convert to fraction form
   2,841.48/3,921.12 = 2,054.16/x
3. Step 3: Cross multiply
   2,841.48x = 3,921.12 × 2,054.16
4. Step 4: Simplify right side
   2,841.48x = 8,054,607.86
5. Step 5: Solve for x
   x = 8,054,607.86/2,841.48
6. Step 6: Final answer
   x = 2,834.65