Finding the Fourth Proportional to 21,946, 30,285.56 and 12,010

Step by Step Solution

1. Step 1: Write the proportion equation
   21,946 : 30,285.56 = 12,010 : x
2. Step 2: Convert to fraction form
   21,946/30,285.56 = 12,010/x
3. Step 3: Cross multiply
   21,946x = 30,285.56 × 12,010
4. Step 4: Simplify right side
   21,946x = 363,729,575.60
5. Step 5: Solve for x
   x = 363,729,575.60/21,946
6. Step 6: Final answer
   x = 16,573.84