Finding the Fourth Proportional to 2,379.86, 3,283.50 and 1,540.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,379.86 : 3,283.50 = 1,540.58 : x
2. Step 2: Convert to fraction form
   2,379.86/3,283.50 = 1,540.58/x
3. Step 3: Cross multiply
   2,379.86x = 3,283.50 × 1,540.58
4. Step 4: Simplify right side
   2,379.86x = 5,058,494.43
5. Step 5: Solve for x
   x = 5,058,494.43/2,379.86
6. Step 6: Final answer
   x = 2,125.54