Finding the Fourth Proportional to 37,619.08, 56,408.56 and 12,650.83

Step by Step Solution

1. Step 1: Write the proportion equation
   37,619.08 : 56,408.56 = 12,650.83 : x
2. Step 2: Convert to fraction form
   37,619.08/56,408.56 = 12,650.83/x
3. Step 3: Cross multiply
   37,619.08x = 56,408.56 × 12,650.83
4. Step 4: Simplify right side
   37,619.08x = 713,615,103.10
5. Step 5: Solve for x
   x = 713,615,103.10/37,619.08
6. Step 6: Final answer
   x = 18,969.50