Finding the Fourth Proportional to 2,579.94, 3,870.21 and 937.26

Step by Step Solution

1. Step 1: Write the proportion equation
   2,579.94 : 3,870.21 = 937.26 : x
2. Step 2: Convert to fraction form
   2,579.94/3,870.21 = 937.26/x
3. Step 3: Cross multiply
   2,579.94x = 3,870.21 × 937.26
4. Step 4: Simplify right side
   2,579.94x = 3,627,393.02
5. Step 5: Solve for x
   x = 3,627,393.02/2,579.94
6. Step 6: Final answer
   x = 1,406.00