Finding the Fourth Proportional to 37,097.82, 55,648.38 and 12,139.32

Step by Step Solution

1. Step 1: Write the proportion equation
   37,097.82 : 55,648.38 = 12,139.32 : x
2. Step 2: Convert to fraction form
   37,097.82/55,648.38 = 12,139.32/x
3. Step 3: Cross multiply
   37,097.82x = 55,648.38 × 12,139.32
4. Step 4: Simplify right side
   37,097.82x = 675,533,492.30
5. Step 5: Solve for x
   x = 675,533,492.30/37,097.82
6. Step 6: Final answer
   x = 18,209.52