Finding the Fourth Proportional to 21,932,704.63, 30,269,162.76 and 12,143,148.81

Step by Step Solution

1. Step 1: Write the proportion equation
   21,932,704.63 : 30,269,162.76 = 12,143,148.81 : x
2. Step 2: Convert to fraction form
   21,932,704.63/30,269,162.76 = 12,143,148.81/x
3. Step 3: Cross multiply
   21,932,704.63x = 30,269,162.76 × 12,143,148.81
4. Step 4: Simplify right side
   21,932,704.63x = 367,562,947,748,790.38
5. Step 5: Solve for x
   x = 367,562,947,748,790.38/21,932,704.63
6. Step 6: Final answer
   x = 16,758,669.48