Finding the Fourth Proportional to 37,103.96, 55,653.78 and 12,160.28

Step by Step Solution

1. Step 1: Write the proportion equation
   37,103.96 : 55,653.78 = 12,160.28 : x
2. Step 2: Convert to fraction form
   37,103.96/55,653.78 = 12,160.28/x
3. Step 3: Cross multiply
   37,103.96x = 55,653.78 × 12,160.28
4. Step 4: Simplify right side
   37,103.96x = 676,765,547.86
5. Step 5: Solve for x
   x = 676,765,547.86/37,103.96
6. Step 6: Final answer
   x = 18,239.71