Finding the Fourth Proportional to 21,932,708.02, 30,269,167.42 and 12,143,152.20

Step by Step Solution

1. Step 1: Write the proportion equation
   21,932,708.02 : 30,269,167.42 = 12,143,152.20 : x
2. Step 2: Convert to fraction form
   21,932,708.02/30,269,167.42 = 12,143,152.20/x
3. Step 3: Cross multiply
   21,932,708.02x = 30,269,167.42 × 12,143,152.20
4. Step 4: Simplify right side
   21,932,708.02x = 367,563,106,948,341.31
5. Step 5: Solve for x
   x = 367,563,106,948,341.31/21,932,708.02
6. Step 6: Final answer
   x = 16,758,674.15