Finding the Fourth Proportional to 37,408.94, 56,071.04 and 12,443.12

Step by Step Solution

1. Step 1: Write the proportion equation
   37,408.94 : 56,071.04 = 12,443.12 : x
2. Step 2: Convert to fraction form
   37,408.94/56,071.04 = 12,443.12/x
3. Step 3: Cross multiply
   37,408.94x = 56,071.04 × 12,443.12
4. Step 4: Simplify right side
   37,408.94x = 697,698,546.94
5. Step 5: Solve for x
   x = 697,698,546.94/37,408.94
6. Step 6: Final answer
   x = 18,650.58