Finding the Fourth Proportional to 81,084.72, 111,923.64 and 47,550

Step by Step Solution

1. Step 1: Write the proportion equation
   81,084.72 : 111,923.64 = 47,550 : x
2. Step 2: Convert to fraction form
   81,084.72/111,923.64 = 47,550/x
3. Step 3: Cross multiply
   81,084.72x = 111,923.64 × 47,550
4. Step 4: Simplify right side
   81,084.72x = 5,321,969,082
5. Step 5: Solve for x
   x = 5,321,969,082/81,084.72
6. Step 6: Final answer
   x = 65,634.67