Finding the Fourth Proportional to 2,990.25, 4,128.06 and 1,795.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,990.25 : 4,128.06 = 1,795.91 : x
2. Step 2: Convert to fraction form
   2,990.25/4,128.06 = 1,795.91/x
3. Step 3: Cross multiply
   2,990.25x = 4,128.06 × 1,795.91
4. Step 4: Simplify right side
   2,990.25x = 7,413,603.59
5. Step 5: Solve for x
   x = 7,413,603.59/2,990.25
6. Step 6: Final answer
   x = 2,479.26