Finding the Fourth Proportional to 3,661.50, 5,053.78 and 2,090.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,661.50 : 5,053.78 = 2,090.52 : x
2. Step 2: Convert to fraction form
   3,661.50/5,053.78 = 2,090.52/x
3. Step 3: Cross multiply
   3,661.50x = 5,053.78 × 2,090.52
4. Step 4: Simplify right side
   3,661.50x = 10,565,028.17
5. Step 5: Solve for x
   x = 10,565,028.17/3,661.50
6. Step 6: Final answer
   x = 2,885.44