Finding the Fourth Proportional to 37,139.82, 55,704.26 and 12,182.50

Step by Step Solution

1. Step 1: Write the proportion equation
   37,139.82 : 55,704.26 = 12,182.50 : x
2. Step 2: Convert to fraction form
   37,139.82/55,704.26 = 12,182.50/x
3. Step 3: Cross multiply
   37,139.82x = 55,704.26 × 12,182.50
4. Step 4: Simplify right side
   37,139.82x = 678,617,179.01
5. Step 5: Solve for x
   x = 678,617,179.01/37,139.82
6. Step 6: Final answer
   x = 18,271.96