Finding the Fourth Proportional to 21,853,419.81, 30,156,928.98 and 12,063,653.82

Step by Step Solution

1. Step 1: Write the proportion equation
   21,853,419.81 : 30,156,928.98 = 12,063,653.82 : x
2. Step 2: Convert to fraction form
   21,853,419.81/30,156,928.98 = 12,063,653.82/x
3. Step 3: Cross multiply
   21,853,419.81x = 30,156,928.98 × 12,063,653.82
4. Step 4: Simplify right side
   21,853,419.81x = 363,802,751,489,045.69
5. Step 5: Solve for x
   x = 363,802,751,489,045.69/21,853,419.81
6. Step 6: Final answer
   x = 16,647,405.97