Finding the Fourth Proportional to 2,769.76, 4,152.45 and 1,382.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,769.76 : 4,152.45 = 1,382.39 : x
2. Step 2: Convert to fraction form
   2,769.76/4,152.45 = 1,382.39/x
3. Step 3: Cross multiply
   2,769.76x = 4,152.45 × 1,382.39
4. Step 4: Simplify right side
   2,769.76x = 5,740,288.81
5. Step 5: Solve for x
   x = 5,740,288.81/2,769.76
6. Step 6: Final answer
   x = 2,072.48