Finding the Fourth Proportional to 162,644,544.72, 224,449,472.94 and 89,305,686.72

Step by Step Solution

1. Step 1: Write the proportion equation
   162,644,544.72 : 224,449,472.94 = 89,305,686.72 : x
2. Step 2: Convert to fraction form
   162,644,544.72/224,449,472.94 = 89,305,686.72/x
3. Step 3: Cross multiply
   162,644,544.72x = 224,449,472.94 × 89,305,686.72
4. Step 4: Simplify right side
   162,644,544.72x = 20,044,614,314,848,756
5. Step 5: Solve for x
   x = 20,044,614,314,848,756/162,644,544.72
6. Step 6: Final answer
   x = 123,241,848.35