Finding the Fourth Proportional to 3,633.78, 5,015.27 and 2,141.61

Step by Step Solution

1. Step 1: Write the proportion equation
   3,633.78 : 5,015.27 = 2,141.61 : x
2. Step 2: Convert to fraction form
   3,633.78/5,015.27 = 2,141.61/x
3. Step 3: Cross multiply
   3,633.78x = 5,015.27 × 2,141.61
4. Step 4: Simplify right side
   3,633.78x = 10,740,726.88
5. Step 5: Solve for x
   x = 10,740,726.88/3,633.78
6. Step 6: Final answer
   x = 2,955.80