Finding the Fourth Proportional to 2,347.32, 3,238.91 and 1,403.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,347.32 : 3,238.91 = 1,403.49 : x
2. Step 2: Convert to fraction form
   2,347.32/3,238.91 = 1,403.49/x
3. Step 3: Cross multiply
   2,347.32x = 3,238.91 × 1,403.49
4. Step 4: Simplify right side
   2,347.32x = 4,545,770.78
5. Step 5: Solve for x
   x = 4,545,770.78/2,347.32
6. Step 6: Final answer
   x = 1,936.58