Finding the Fourth Proportional to 72,205.76, 108,327.15 and 30,071.84

Step by Step Solution

1. Step 1: Write the proportion equation
   72,205.76 : 108,327.15 = 30,071.84 : x
2. Step 2: Convert to fraction form
   72,205.76/108,327.15 = 30,071.84/x
3. Step 3: Cross multiply
   72,205.76x = 108,327.15 × 30,071.84
4. Step 4: Simplify right side
   72,205.76x = 3,257,596,180.82
5. Step 5: Solve for x
   x = 3,257,596,180.82/72,205.76
6. Step 6: Final answer
   x = 45,115.46