Finding the Fourth Proportional to 3,661.39, 5,053.08 and 2,089.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,661.39 : 5,053.08 = 2,089.72 : x
2. Step 2: Convert to fraction form
   3,661.39/5,053.08 = 2,089.72/x
3. Step 3: Cross multiply
   3,661.39x = 5,053.08 × 2,089.72
4. Step 4: Simplify right side
   3,661.39x = 10,559,522.34
5. Step 5: Solve for x
   x = 10,559,522.34/3,661.39
6. Step 6: Final answer
   x = 2,884.02