Finding the Fourth Proportional to 2,405.28, 3,612.72 and 2,058.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,405.28 : 3,612.72 = 2,058.48 : x
2. Step 2: Convert to fraction form
   2,405.28/3,612.72 = 2,058.48/x
3. Step 3: Cross multiply
   2,405.28x = 3,612.72 × 2,058.48
4. Step 4: Simplify right side
   2,405.28x = 7,436,711.87
5. Step 5: Solve for x
   x = 7,436,711.87/2,405.28
6. Step 6: Final answer
   x = 3,091.83