Finding the Fourth Proportional to 60,492.79, 90,660.34 and 30,885.67

Step by Step Solution

1. Step 1: Write the proportion equation
   60,492.79 : 90,660.34 = 30,885.67 : x
2. Step 2: Convert to fraction form
   60,492.79/90,660.34 = 30,885.67/x
3. Step 3: Cross multiply
   60,492.79x = 90,660.34 × 30,885.67
4. Step 4: Simplify right side
   60,492.79x = 2,800,105,343.33
5. Step 5: Solve for x
   x = 2,800,105,343.33/60,492.79
6. Step 6: Final answer
   x = 46,288.25