Finding the Fourth Proportional to 3,561.37, 5,345.79 and 2,002.70

Step by Step Solution

1. Step 1: Write the proportion equation
   3,561.37 : 5,345.79 = 2,002.70 : x
2. Step 2: Convert to fraction form
   3,561.37/5,345.79 = 2,002.70/x
3. Step 3: Cross multiply
   3,561.37x = 5,345.79 × 2,002.70
4. Step 4: Simplify right side
   3,561.37x = 10,706,013.63
5. Step 5: Solve for x
   x = 10,706,013.63/3,561.37
6. Step 6: Final answer
   x = 3,006.15