Finding the Fourth Proportional to 30,367.74, 45,554.58 and 12,594.72

Step by Step Solution

1. Step 1: Write the proportion equation
   30,367.74 : 45,554.58 = 12,594.72 : x
2. Step 2: Convert to fraction form
   30,367.74/45,554.58 = 12,594.72/x
3. Step 3: Cross multiply
   30,367.74x = 45,554.58 × 12,594.72
4. Step 4: Simplify right side
   30,367.74x = 573,747,179.82
5. Step 5: Solve for x
   x = 573,747,179.82/30,367.74
6. Step 6: Final answer
   x = 18,893.31