Finding the Fourth Proportional to 1,836.86, 2,754.56 and 1,447.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,836.86 : 2,754.56 = 1,447.61 : x
2. Step 2: Convert to fraction form
   1,836.86/2,754.56 = 1,447.61/x
3. Step 3: Cross multiply
   1,836.86x = 2,754.56 × 1,447.61
4. Step 4: Simplify right side
   1,836.86x = 3,987,518.45
5. Step 5: Solve for x
   x = 3,987,518.45/1,836.86
6. Step 6: Final answer
   x = 2,170.84