Finding the Fourth Proportional to 21,849,996.42, 30,156,030.81 and 12,192,826.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,849,996.42 : 30,156,030.81 = 12,192,826.50 : x
2. Step 2: Convert to fraction form
   21,849,996.42/30,156,030.81 = 12,192,826.50/x
3. Step 3: Cross multiply
   21,849,996.42x = 30,156,030.81 × 12,192,826.50
4. Step 4: Simplify right side
   21,849,996.42x = 367,687,251,594,984.44
5. Step 5: Solve for x
   x = 367,687,251,594,984.44/21,849,996.42
6. Step 6: Final answer
   x = 16,827,794.59