Finding the Fourth Proportional to 37,104.84, 55,655.28 and 12,141.72

Step by Step Solution

1. Step 1: Write the proportion equation
   37,104.84 : 55,655.28 = 12,141.72 : x
2. Step 2: Convert to fraction form
   37,104.84/55,655.28 = 12,141.72/x
3. Step 3: Cross multiply
   37,104.84x = 55,655.28 × 12,141.72
4. Step 4: Simplify right side
   37,104.84x = 675,750,826.28
5. Step 5: Solve for x
   x = 675,750,826.28/37,104.84
6. Step 6: Final answer
   x = 18,211.93