Finding the Fourth Proportional to 2,379.86, 3,283.02 and 1,384.77

Step by Step Solution

1. Step 1: Write the proportion equation
   2,379.86 : 3,283.02 = 1,384.77 : x
2. Step 2: Convert to fraction form
   2,379.86/3,283.02 = 1,384.77/x
3. Step 3: Cross multiply
   2,379.86x = 3,283.02 × 1,384.77
4. Step 4: Simplify right side
   2,379.86x = 4,546,227.61
5. Step 5: Solve for x
   x = 4,546,227.61/2,379.86
6. Step 6: Final answer
   x = 1,910.30