Finding the Fourth Proportional to 1,990.52, 2,743.39 and 1,761.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,990.52 : 2,743.39 = 1,761.38 : x
2. Step 2: Convert to fraction form
   1,990.52/2,743.39 = 1,761.38/x
3. Step 3: Cross multiply
   1,990.52x = 2,743.39 × 1,761.38
4. Step 4: Simplify right side
   1,990.52x = 4,832,152.28
5. Step 5: Solve for x
   x = 4,832,152.28/1,990.52
6. Step 6: Final answer
   x = 2,427.58