Finding the Fourth Proportional to 2,051.76, 2,827.71 and 1,619.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,051.76 : 2,827.71 = 1,619.22 : x
2. Step 2: Convert to fraction form
   2,051.76/2,827.71 = 1,619.22/x
3. Step 3: Cross multiply
   2,051.76x = 2,827.71 × 1,619.22
4. Step 4: Simplify right side
   2,051.76x = 4,578,684.59
5. Step 5: Solve for x
   x = 4,578,684.59/2,051.76
6. Step 6: Final answer
   x = 2,231.59