Finding the Fourth Proportional to 37,147.61, 55,719.46 and 12,184.37

Step by Step Solution

1. Step 1: Write the proportion equation
   37,147.61 : 55,719.46 = 12,184.37 : x
2. Step 2: Convert to fraction form
   37,147.61/55,719.46 = 12,184.37/x
3. Step 3: Cross multiply
   37,147.61x = 55,719.46 × 12,184.37
4. Step 4: Simplify right side
   37,147.61x = 678,906,775.84
5. Step 5: Solve for x
   x = 678,906,775.84/37,147.61
6. Step 6: Final answer
   x = 18,275.92