Finding the Fourth Proportional to 162,981,601.56, 224,918,865.18 and 89,644,668.12

Step by Step Solution

1. Step 1: Write the proportion equation
   162,981,601.56 : 224,918,865.18 = 89,644,668.12 : x
2. Step 2: Convert to fraction form
   162,981,601.56/224,918,865.18 = 89,644,668.12/x
3. Step 3: Cross multiply
   162,981,601.56x = 224,918,865.18 × 89,644,668.12
4. Step 4: Simplify right side
   162,981,601.56x = 20,162,777,022,988,124
5. Step 5: Solve for x
   x = 20,162,777,022,988,124/162,981,601.56
6. Step 6: Final answer
   x = 123,711,982.40