Finding the Fourth Proportional to 2,100.60, 2,896.56 and 1,726.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,100.60 : 2,896.56 = 1,726.38 : x
2. Step 2: Convert to fraction form
   2,100.60/2,896.56 = 1,726.38/x
3. Step 3: Cross multiply
   2,100.60x = 2,896.56 × 1,726.38
4. Step 4: Simplify right side
   2,100.60x = 5,000,563.25
5. Step 5: Solve for x
   x = 5,000,563.25/2,100.60
6. Step 6: Final answer
   x = 2,380.54