Finding the Fourth Proportional to 3,561.03, 5,335.61 and 3,152.79

Step by Step Solution

1. Step 1: Write the proportion equation
   3,561.03 : 5,335.61 = 3,152.79 : x
2. Step 2: Convert to fraction form
   3,561.03/5,335.61 = 3,152.79/x
3. Step 3: Cross multiply
   3,561.03x = 5,335.61 × 3,152.79
4. Step 4: Simplify right side
   3,561.03x = 16,822,042.09
5. Step 5: Solve for x
   x = 16,822,042.09/3,561.03
6. Step 6: Final answer
   x = 4,723.93