Finding the Fourth Proportional to 3,891.25, 5,837.73 and 1,426.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,891.25 : 5,837.73 = 1,426.10 : x
2. Step 2: Convert to fraction form
   3,891.25/5,837.73 = 1,426.10/x
3. Step 3: Cross multiply
   3,891.25x = 5,837.73 × 1,426.10
4. Step 4: Simplify right side
   3,891.25x = 8,325,152.22
5. Step 5: Solve for x
   x = 8,325,152.22/3,891.25
6. Step 6: Final answer
   x = 2,139.45