Finding the Fourth Proportional to 37,630.37, 56,406.04 and 12,661.75

Step by Step Solution

1. Step 1: Write the proportion equation
   37,630.37 : 56,406.04 = 12,661.75 : x
2. Step 2: Convert to fraction form
   37,630.37/56,406.04 = 12,661.75/x
3. Step 3: Cross multiply
   37,630.37x = 56,406.04 × 12,661.75
4. Step 4: Simplify right side
   37,630.37x = 714,199,004.30
5. Step 5: Solve for x
   x = 714,199,004.30/37,630.37
6. Step 6: Final answer
   x = 18,979.33