Finding the Fourth Proportional to 2,994.37, 4,128.81 and 2,521.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,994.37 : 4,128.81 = 2,521.54 : x
2. Step 2: Convert to fraction form
   2,994.37/4,128.81 = 2,521.54/x
3. Step 3: Cross multiply
   2,994.37x = 4,128.81 × 2,521.54
4. Step 4: Simplify right side
   2,994.37x = 10,410,955.27
5. Step 5: Solve for x
   x = 10,410,955.27/2,994.37
6. Step 6: Final answer
   x = 3,476.85