Finding the Fourth Proportional to 72,538.71, 108,795.52 and 19,231.04

Step by Step Solution

1. Step 1: Write the proportion equation
   72,538.71 : 108,795.52 = 19,231.04 : x
2. Step 2: Convert to fraction form
   72,538.71/108,795.52 = 19,231.04/x
3. Step 3: Cross multiply
   72,538.71x = 108,795.52 × 19,231.04
4. Step 4: Simplify right side
   72,538.71x = 2,092,250,996.94
5. Step 5: Solve for x
   x = 2,092,250,996.94/72,538.71
6. Step 6: Final answer
   x = 28,843.23