Finding the Fourth Proportional to 2,786.34, 4,179.33 and 937.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,786.34 : 4,179.33 = 937.47 : x
2. Step 2: Convert to fraction form
   2,786.34/4,179.33 = 937.47/x
3. Step 3: Cross multiply
   2,786.34x = 4,179.33 × 937.47
4. Step 4: Simplify right side
   2,786.34x = 3,917,996.50
5. Step 5: Solve for x
   x = 3,917,996.50/2,786.34
6. Step 6: Final answer
   x = 1,406.14