Finding the Fourth Proportional to 72,324.33, 108,503.69 and 30,180.99

Step by Step Solution

1. Step 1: Write the proportion equation
   72,324.33 : 108,503.69 = 30,180.99 : x
2. Step 2: Convert to fraction form
   72,324.33/108,503.69 = 30,180.99/x
3. Step 3: Cross multiply
   72,324.33x = 108,503.69 × 30,180.99
4. Step 4: Simplify right side
   72,324.33x = 3,274,748,428.50
5. Step 5: Solve for x
   x = 3,274,748,428.50/72,324.33
6. Step 6: Final answer
   x = 45,278.66