Finding the Fourth Proportional to 3,550.02, 5,351.61 and 3,312.15

Step by Step Solution

1. Step 1: Write the proportion equation
   3,550.02 : 5,351.61 = 3,312.15 : x
2. Step 2: Convert to fraction form
   3,550.02/5,351.61 = 3,312.15/x
3. Step 3: Cross multiply
   3,550.02x = 5,351.61 × 3,312.15
4. Step 4: Simplify right side
   3,550.02x = 17,725,335.06
5. Step 5: Solve for x
   x = 17,725,335.06/3,550.02
6. Step 6: Final answer
   x = 4,993.02