Finding the Fourth Proportional to 3,900.42, 5,845.47 and 2,335.38

Step by Step Solution

1. Step 1: Write the proportion equation
   3,900.42 : 5,845.47 = 2,335.38 : x
2. Step 2: Convert to fraction form
   3,900.42/5,845.47 = 2,335.38/x
3. Step 3: Cross multiply
   3,900.42x = 5,845.47 × 2,335.38
4. Step 4: Simplify right side
   3,900.42x = 13,651,393.73
5. Step 5: Solve for x
   x = 13,651,393.73/3,900.42
6. Step 6: Final answer
   x = 3,499.98