Finding the Fourth Proportional to 3,919.32, 5,875.61 and 1,726.38

Step by Step Solution

1. Step 1: Write the proportion equation
   3,919.32 : 5,875.61 = 1,726.38 : x
2. Step 2: Convert to fraction form
   3,919.32/5,875.61 = 1,726.38/x
3. Step 3: Cross multiply
   3,919.32x = 5,875.61 × 1,726.38
4. Step 4: Simplify right side
   3,919.32x = 10,143,526.96
5. Step 5: Solve for x
   x = 10,143,526.96/3,919.32
6. Step 6: Final answer
   x = 2,588.08