Finding the Fourth Proportional to 37,099.82, 55,653.18 and 12,140.03

Step by Step Solution

1. Step 1: Write the proportion equation
   37,099.82 : 55,653.18 = 12,140.03 : x
2. Step 2: Convert to fraction form
   37,099.82/55,653.18 = 12,140.03/x
3. Step 3: Cross multiply
   37,099.82x = 55,653.18 × 12,140.03
4. Step 4: Simplify right side
   37,099.82x = 675,631,274.80
5. Step 5: Solve for x
   x = 675,631,274.80/37,099.82
6. Step 6: Final answer
   x = 18,211.17