Finding the Fourth Proportional to 30,680.56, 46,023.45 and 8,493.94

Step by Step Solution

1. Step 1: Write the proportion equation
   30,680.56 : 46,023.45 = 8,493.94 : x
2. Step 2: Convert to fraction form
   30,680.56/46,023.45 = 8,493.94/x
3. Step 3: Cross multiply
   30,680.56x = 46,023.45 × 8,493.94
4. Step 4: Simplify right side
   30,680.56x = 390,920,422.89
5. Step 5: Solve for x
   x = 390,920,422.89/30,680.56
6. Step 6: Final answer
   x = 12,741.63