Finding the Fourth Proportional to 2,984.48, 4,116.73 and 1,921.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,984.48 : 4,116.73 = 1,921.89 : x
2. Step 2: Convert to fraction form
   2,984.48/4,116.73 = 1,921.89/x
3. Step 3: Cross multiply
   2,984.48x = 4,116.73 × 1,921.89
4. Step 4: Simplify right side
   2,984.48x = 7,911,902.22
5. Step 5: Solve for x
   x = 7,911,902.22/2,984.48
6. Step 6: Final answer
   x = 2,651.02