Finding the Fourth Proportional to 21,816,635.38, 30,107,160.54 and 12,027,431.10

Step by Step Solution

1. Step 1: Write the proportion equation
   21,816,635.38 : 30,107,160.54 = 12,027,431.10 : x
2. Step 2: Convert to fraction form
   21,816,635.38/30,107,160.54 = 12,027,431.10/x
3. Step 3: Cross multiply
   21,816,635.38x = 30,107,160.54 × 12,027,431.10
4. Step 4: Simplify right side
   21,816,635.38x = 362,111,799,124,390.62
5. Step 5: Solve for x
   x = 362,111,799,124,390.62/21,816,635.38
6. Step 6: Final answer
   x = 16,597,967.23