Finding the Fourth Proportional to 37,634.64, 56,454.72 and 12,674.56

Step by Step Solution

1. Step 1: Write the proportion equation
   37,634.64 : 56,454.72 = 12,674.56 : x
2. Step 2: Convert to fraction form
   37,634.64/56,454.72 = 12,674.56/x
3. Step 3: Cross multiply
   37,634.64x = 56,454.72 × 12,674.56
4. Step 4: Simplify right side
   37,634.64x = 715,538,735.92
5. Step 5: Solve for x
   x = 715,538,735.92/37,634.64
6. Step 6: Final answer
   x = 19,012.77