Finding the Fourth Proportional to 3,930.92, 5,900.25 and 2,887.98

Step by Step Solution

1. Step 1: Write the proportion equation
   3,930.92 : 5,900.25 = 2,887.98 : x
2. Step 2: Convert to fraction form
   3,930.92/5,900.25 = 2,887.98/x
3. Step 3: Cross multiply
   3,930.92x = 5,900.25 × 2,887.98
4. Step 4: Simplify right side
   3,930.92x = 17,039,804.00
5. Step 5: Solve for x
   x = 17,039,804.00/3,930.92
6. Step 6: Final answer
   x = 4,334.82