Finding the Fourth Proportional to 3,922.50, 5,886.18 and 2,279.82

Step by Step Solution

1. Step 1: Write the proportion equation
   3,922.50 : 5,886.18 = 2,279.82 : x
2. Step 2: Convert to fraction form
   3,922.50/5,886.18 = 2,279.82/x
3. Step 3: Cross multiply
   3,922.50x = 5,886.18 × 2,279.82
4. Step 4: Simplify right side
   3,922.50x = 13,419,430.89
5. Step 5: Solve for x
   x = 13,419,430.89/3,922.50
6. Step 6: Final answer
   x = 3,421.14