Finding the Fourth Proportional to 72,922.48, 109,384.22 and 20,332.42

Step by Step Solution

1. Step 1: Write the proportion equation
   72,922.48 : 109,384.22 = 20,332.42 : x
2. Step 2: Convert to fraction form
   72,922.48/109,384.22 = 20,332.42/x
3. Step 3: Cross multiply
   72,922.48x = 109,384.22 × 20,332.42
4. Step 4: Simplify right side
   72,922.48x = 2,224,045,902.41
5. Step 5: Solve for x
   x = 2,224,045,902.41/72,922.48
6. Step 6: Final answer
   x = 30,498.77