Finding the Fourth Proportional to 3,955.06, 5,903.61 and 3,487.98

Step by Step Solution

1. Step 1: Write the proportion equation
   3,955.06 : 5,903.61 = 3,487.98 : x
2. Step 2: Convert to fraction form
   3,955.06/5,903.61 = 3,487.98/x
3. Step 3: Cross multiply
   3,955.06x = 5,903.61 × 3,487.98
4. Step 4: Simplify right side
   3,955.06x = 20,591,673.61
5. Step 5: Solve for x
   x = 20,591,673.61/3,955.06
6. Step 6: Final answer
   x = 5,206.41