Finding the Fourth Proportional to 37,723.55, 56,529.94 and 18,977.82

Step by Step Solution

1. Step 1: Write the proportion equation
   37,723.55 : 56,529.94 = 18,977.82 : x
2. Step 2: Convert to fraction form
   37,723.55/56,529.94 = 18,977.82/x
3. Step 3: Cross multiply
   37,723.55x = 56,529.94 × 18,977.82
4. Step 4: Simplify right side
   37,723.55x = 1,072,814,978.49
5. Step 5: Solve for x
   x = 1,072,814,978.49/37,723.55
6. Step 6: Final answer
   x = 28,438.87