Finding the Fourth Proportional to 52,691.09, 72,715.59 and 30,033.50

Step by Step Solution

1. Step 1: Write the proportion equation
   52,691.09 : 72,715.59 = 30,033.50 : x
2. Step 2: Convert to fraction form
   52,691.09/72,715.59 = 30,033.50/x
3. Step 3: Cross multiply
   52,691.09x = 72,715.59 × 30,033.50
4. Step 4: Simplify right side
   52,691.09x = 2,183,903,308.69
5. Step 5: Solve for x
   x = 2,183,903,308.69/52,691.09
6. Step 6: Final answer
   x = 41,447.30