Finding the Fourth Proportional to 30,606.73, 45,904.82 and 8,117.57

Step by Step Solution

1. Step 1: Write the proportion equation
   30,606.73 : 45,904.82 = 8,117.57 : x
2. Step 2: Convert to fraction form
   30,606.73/45,904.82 = 8,117.57/x
3. Step 3: Cross multiply
   30,606.73x = 45,904.82 × 8,117.57
4. Step 4: Simplify right side
   30,606.73x = 372,635,663.86
5. Step 5: Solve for x
   x = 372,635,663.86/30,606.73
6. Step 6: Final answer
   x = 12,174.96