Finding the Fourth Proportional to 72,123.17, 108,173.82 and 25,365.11

Step by Step Solution

1. Step 1: Write the proportion equation
   72,123.17 : 108,173.82 = 25,365.11 : x
2. Step 2: Convert to fraction form
   72,123.17/108,173.82 = 25,365.11/x
3. Step 3: Cross multiply
   72,123.17x = 108,173.82 × 25,365.11
4. Step 4: Simplify right side
   72,123.17x = 2,743,840,843.42
5. Step 5: Solve for x
   x = 2,743,840,843.42/72,123.17
6. Step 6: Final answer
   x = 38,043.82