Finding the Fourth Proportional to 2,900.91, 4,340.43 and 1,726.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,900.91 : 4,340.43 = 1,726.59 : x
2. Step 2: Convert to fraction form
   2,900.91/4,340.43 = 1,726.59/x
3. Step 3: Cross multiply
   2,900.91x = 4,340.43 × 1,726.59
4. Step 4: Simplify right side
   2,900.91x = 7,494,143.03
5. Step 5: Solve for x
   x = 7,494,143.03/2,900.91
6. Step 6: Final answer
   x = 2,583.38