Finding the Fourth Proportional to 72,589.31, 108,896.79 and 33,150.41

Step by Step Solution

1. Step 1: Write the proportion equation
   72,589.31 : 108,896.79 = 33,150.41 : x
2. Step 2: Convert to fraction form
   72,589.31/108,896.79 = 33,150.41/x
3. Step 3: Cross multiply
   72,589.31x = 108,896.79 × 33,150.41
4. Step 4: Simplify right side
   72,589.31x = 3,609,973,236.18
5. Step 5: Solve for x
   x = 3,609,973,236.18/72,589.31
6. Step 6: Final answer
   x = 49,731.47