Finding the Fourth Proportional to 22,552,994.49, 31,123,243.22 and 12,239,729.43

Step by Step Solution

1. Step 1: Write the proportion equation
   22,552,994.49 : 31,123,243.22 = 12,239,729.43 : x
2. Step 2: Convert to fraction form
   22,552,994.49/31,123,243.22 = 12,239,729.43/x
3. Step 3: Cross multiply
   22,552,994.49x = 31,123,243.22 × 12,239,729.43
4. Step 4: Simplify right side
   22,552,994.49x = 380,940,075,935,683.31
5. Step 5: Solve for x
   x = 380,940,075,935,683.31/22,552,994.49
6. Step 6: Final answer
   x = 16,890,886.76