Finding the Fourth Proportional to 37,650.95, 56,464.52 and 12,685.18

Step by Step Solution

1. Step 1: Write the proportion equation
   37,650.95 : 56,464.52 = 12,685.18 : x
2. Step 2: Convert to fraction form
   37,650.95/56,464.52 = 12,685.18/x
3. Step 3: Cross multiply
   37,650.95x = 56,464.52 × 12,685.18
4. Step 4: Simplify right side
   37,650.95x = 716,262,599.81
5. Step 5: Solve for x
   x = 716,262,599.81/37,650.95
6. Step 6: Final answer
   x = 19,023.76