Finding the Fourth Proportional to 21,936,036.27, 30,271,360.35 and 12,146,270.20

Step by Step Solution

1. Step 1: Write the proportion equation
   21,936,036.27 : 30,271,360.35 = 12,146,270.20 : x
2. Step 2: Convert to fraction form
   21,936,036.27/30,271,360.35 = 12,146,270.20/x
3. Step 3: Cross multiply
   21,936,036.27x = 30,271,360.35 × 12,146,270.20
4. Step 4: Simplify right side
   21,936,036.27x = 367,684,122,132,666.56
5. Step 5: Solve for x
   x = 367,684,122,132,666.56/21,936,036.27
6. Step 6: Final answer
   x = 16,761,648.17