Finding the Fourth Proportional to 72,925.48, 109,388.72 and 20,335.42

Step by Step Solution

1. Step 1: Write the proportion equation
   72,925.48 : 109,388.72 = 20,335.42 : x
2. Step 2: Convert to fraction form
   72,925.48/109,388.72 = 20,335.42/x
3. Step 3: Cross multiply
   72,925.48x = 109,388.72 × 20,335.42
4. Step 4: Simplify right side
   72,925.48x = 2,224,465,564.46
5. Step 5: Solve for x
   x = 2,224,465,564.46/72,925.48
6. Step 6: Final answer
   x = 30,503.27