Finding the Fourth Proportional to 3,315.03, 4,969.59 and 2,145.93

Step by Step Solution

1. Step 1: Write the proportion equation
   3,315.03 : 4,969.59 = 2,145.93 : x
2. Step 2: Convert to fraction form
   3,315.03/4,969.59 = 2,145.93/x
3. Step 3: Cross multiply
   3,315.03x = 4,969.59 × 2,145.93
4. Step 4: Simplify right side
   3,315.03x = 10,664,392.27
5. Step 5: Solve for x
   x = 10,664,392.27/3,315.03
6. Step 6: Final answer
   x = 3,216.98