Finding the Fourth Proportional to 30,796.53, 46,187.72 and 8,611.46

Step by Step Solution

1. Step 1: Write the proportion equation
   30,796.53 : 46,187.72 = 8,611.46 : x
2. Step 2: Convert to fraction form
   30,796.53/46,187.72 = 8,611.46/x
3. Step 3: Cross multiply
   30,796.53x = 46,187.72 × 8,611.46
4. Step 4: Simplify right side
   30,796.53x = 397,743,703.27
5. Step 5: Solve for x
   x = 397,743,703.27/30,796.53
6. Step 6: Final answer
   x = 12,915.21