Finding the Fourth Proportional to 72,588.31, 108,895.29 and 33,149.41

Step by Step Solution

1. Step 1: Write the proportion equation
   72,588.31 : 108,895.29 = 33,149.41 : x
2. Step 2: Convert to fraction form
   72,588.31/108,895.29 = 33,149.41/x
3. Step 3: Cross multiply
   72,588.31x = 108,895.29 × 33,149.41
4. Step 4: Simplify right side
   72,588.31x = 3,609,814,615.28
5. Step 5: Solve for x
   x = 3,609,814,615.28/72,588.31
6. Step 6: Final answer
   x = 49,729.97