Finding the Fourth Proportional to 37,577.94, 56,367.83 and 12,618.81

Step by Step Solution

1. Step 1: Write the proportion equation
   37,577.94 : 56,367.83 = 12,618.81 : x
2. Step 2: Convert to fraction form
   37,577.94/56,367.83 = 12,618.81/x
3. Step 3: Cross multiply
   37,577.94x = 56,367.83 × 12,618.81
4. Step 4: Simplify right side
   37,577.94x = 711,294,936.88
5. Step 5: Solve for x
   x = 711,294,936.88/37,577.94
6. Step 6: Final answer
   x = 18,928.52