Finding the Fourth Proportional to 3,886.34, 5,826.27 and 1,935.86

Step by Step Solution

1. Step 1: Write the proportion equation
   3,886.34 : 5,826.27 = 1,935.86 : x
2. Step 2: Convert to fraction form
   3,886.34/5,826.27 = 1,935.86/x
3. Step 3: Cross multiply
   3,886.34x = 5,826.27 × 1,935.86
4. Step 4: Simplify right side
   3,886.34x = 11,278,843.04
5. Step 5: Solve for x
   x = 11,278,843.04/3,886.34
6. Step 6: Final answer
   x = 2,902.18