Finding the Fourth Proportional to 21,933,461.70, 30,269,123.06 and 12,143,906.03

Step by Step Solution

1. Step 1: Write the proportion equation
   21,933,461.70 : 30,269,123.06 = 12,143,906.03 : x
2. Step 2: Convert to fraction form
   21,933,461.70/30,269,123.06 = 12,143,906.03/x
3. Step 3: Cross multiply
   21,933,461.70x = 30,269,123.06 × 12,143,906.03
4. Step 4: Simplify right side
   21,933,461.70x = 367,585,385,839,080.94
5. Step 5: Solve for x
   x = 367,585,385,839,080.94/21,933,461.70
6. Step 6: Final answer
   x = 16,759,114.04