Finding the Fourth Proportional to 2,435.80, 3,364.12 and 1,648.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,435.80 : 3,364.12 = 1,648.48 : x
2. Step 2: Convert to fraction form
   2,435.80/3,364.12 = 1,648.48/x
3. Step 3: Cross multiply
   2,435.80x = 3,364.12 × 1,648.48
4. Step 4: Simplify right side
   2,435.80x = 5,545,667.72
5. Step 5: Solve for x
   x = 5,545,667.72/2,435.80
6. Step 6: Final answer
   x = 2,276.74