Finding the Fourth Proportional to 2,368.62, 3,269.60 and 1,780.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,368.62 : 3,269.60 = 1,780.86 : x
2. Step 2: Convert to fraction form
   2,368.62/3,269.60 = 1,780.86/x
3. Step 3: Cross multiply
   2,368.62x = 3,269.60 × 1,780.86
4. Step 4: Simplify right side
   2,368.62x = 5,822,701.35
5. Step 5: Solve for x
   x = 5,822,701.35/2,368.62
6. Step 6: Final answer
   x = 2,458.27