Finding the Fourth Proportional to 37,692.24, 56,499 and 12,723.68

Step by Step Solution

1. Step 1: Write the proportion equation
   37,692.24 : 56,499 = 12,723.68 : x
2. Step 2: Convert to fraction form
   37,692.24/56,499 = 12,723.68/x
3. Step 3: Cross multiply
   37,692.24x = 56,499 × 12,723.68
4. Step 4: Simplify right side
   37,692.24x = 718,875,196.32
5. Step 5: Solve for x
   x = 718,875,196.32/37,692.24
6. Step 6: Final answer
   x = 19,072.23