Finding the Fourth Proportional to 37,126.13, 55,687.71 and 12,168.05

Step by Step Solution

1. Step 1: Write the proportion equation
   37,126.13 : 55,687.71 = 12,168.05 : x
2. Step 2: Convert to fraction form
   37,126.13/55,687.71 = 12,168.05/x
3. Step 3: Cross multiply
   37,126.13x = 55,687.71 × 12,168.05
4. Step 4: Simplify right side
   37,126.13x = 677,610,839.67
5. Step 5: Solve for x
   x = 677,610,839.67/37,126.13
6. Step 6: Final answer
   x = 18,251.59