Finding the Fourth Proportional to 60,096.96, 90,081.84 and 20,105.88

Step by Step Solution

1. Step 1: Write the proportion equation
   60,096.96 : 90,081.84 = 20,105.88 : x
2. Step 2: Convert to fraction form
   60,096.96/90,081.84 = 20,105.88/x
3. Step 3: Cross multiply
   60,096.96x = 90,081.84 × 20,105.88
4. Step 4: Simplify right side
   60,096.96x = 1,811,174,665.22
5. Step 5: Solve for x
   x = 1,811,174,665.22/60,096.96
6. Step 6: Final answer
   x = 30,137.54