Finding the Fourth Proportional to 37,826.94, 56,724.00 and 12,860.28

Step by Step Solution

1. Step 1: Write the proportion equation
   37,826.94 : 56,724.00 = 12,860.28 : x
2. Step 2: Convert to fraction form
   37,826.94/56,724.00 = 12,860.28/x
3. Step 3: Cross multiply
   37,826.94x = 56,724.00 × 12,860.28
4. Step 4: Simplify right side
   37,826.94x = 729,486,458.42
5. Step 5: Solve for x
   x = 729,486,458.42/37,826.94
6. Step 6: Final answer
   x = 19,284.84