Finding the Fourth Proportional to 47,892.57, 71,765 and 30,325.50

Step by Step Solution

1. Step 1: Write the proportion equation
   47,892.57 : 71,765 = 30,325.50 : x
2. Step 2: Convert to fraction form
   47,892.57/71,765 = 30,325.50/x
3. Step 3: Cross multiply
   47,892.57x = 71,765 × 30,325.50
4. Step 4: Simplify right side
   47,892.57x = 2,176,309,507.50
5. Step 5: Solve for x
   x = 2,176,309,507.50/47,892.57
6. Step 6: Final answer
   x = 45,441.49