Finding the Fourth Proportional to 3,941.58, 5,903.89 and 1,858.46

Step by Step Solution

1. Step 1: Write the proportion equation
   3,941.58 : 5,903.89 = 1,858.46 : x
2. Step 2: Convert to fraction form
   3,941.58/5,903.89 = 1,858.46/x
3. Step 3: Cross multiply
   3,941.58x = 5,903.89 × 1,858.46
4. Step 4: Simplify right side
   3,941.58x = 10,972,153.52
5. Step 5: Solve for x
   x = 10,972,153.52/3,941.58
6. Step 6: Final answer
   x = 2,783.69