Finding the Fourth Proportional to 72,896.50, 109,351.50 and 33,447.88

Step by Step Solution

1. Step 1: Write the proportion equation
   72,896.50 : 109,351.50 = 33,447.88 : x
2. Step 2: Convert to fraction form
   72,896.50/109,351.50 = 33,447.88/x
3. Step 3: Cross multiply
   72,896.50x = 109,351.50 × 33,447.88
4. Step 4: Simplify right side
   72,896.50x = 3,657,575,849.82
5. Step 5: Solve for x
   x = 3,657,575,849.82/72,896.50
6. Step 6: Final answer
   x = 50,174.92