Finding the Fourth Proportional to 72,823.76, 109,235.60 and 20,233.22

Step by Step Solution

1. Step 1: Write the proportion equation
   72,823.76 : 109,235.60 = 20,233.22 : x
2. Step 2: Convert to fraction form
   72,823.76/109,235.60 = 20,233.22/x
3. Step 3: Cross multiply
   72,823.76x = 109,235.60 × 20,233.22
4. Step 4: Simplify right side
   72,823.76x = 2,210,187,825.47
5. Step 5: Solve for x
   x = 2,210,187,825.47/72,823.76
6. Step 6: Final answer
   x = 30,349.82