Finding the Fourth Proportional to 2,654.89, 3,984.35 and 2,141.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,654.89 : 3,984.35 = 2,141.07 : x
2. Step 2: Convert to fraction form
   2,654.89/3,984.35 = 2,141.07/x
3. Step 3: Cross multiply
   2,654.89x = 3,984.35 × 2,141.07
4. Step 4: Simplify right side
   2,654.89x = 8,530,746.61
5. Step 5: Solve for x
   x = 8,530,746.61/2,654.89
6. Step 6: Final answer
   x = 3,213.22