Finding the Fourth Proportional to 37,085.11, 55,634.83 and 12,118.43

Step by Step Solution

1. Step 1: Write the proportion equation
   37,085.11 : 55,634.83 = 12,118.43 : x
2. Step 2: Convert to fraction form
   37,085.11/55,634.83 = 12,118.43/x
3. Step 3: Cross multiply
   37,085.11x = 55,634.83 × 12,118.43
4. Step 4: Simplify right side
   37,085.11x = 674,206,901.71
5. Step 5: Solve for x
   x = 674,206,901.71/37,085.11
6. Step 6: Final answer
   x = 18,179.99