Finding the Fourth Proportional to 2,354.21, 3,248.56 and 1,409.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,354.21 : 3,248.56 = 1,409.81 : x
2. Step 2: Convert to fraction form
   2,354.21/3,248.56 = 1,409.81/x
3. Step 3: Cross multiply
   2,354.21x = 3,248.56 × 1,409.81
4. Step 4: Simplify right side
   2,354.21x = 4,579,852.37
5. Step 5: Solve for x
   x = 4,579,852.37/2,354.21
6. Step 6: Final answer
   x = 1,945.39