Finding the Fourth Proportional to 50,123.01, 75,155.33 and 18,960.69

Step by Step Solution

1. Step 1: Write the proportion equation
   50,123.01 : 75,155.33 = 18,960.69 : x
2. Step 2: Convert to fraction form
   50,123.01/75,155.33 = 18,960.69/x
3. Step 3: Cross multiply
   50,123.01x = 75,155.33 × 18,960.69
4. Step 4: Simplify right side
   50,123.01x = 1,424,996,819.17
5. Step 5: Solve for x
   x = 1,424,996,819.17/50,123.01
6. Step 6: Final answer
   x = 28,429.99