Finding the Fourth Proportional to 72,065.92, 108,101.31 and 19,475.86

Step by Step Solution

1. Step 1: Write the proportion equation
   72,065.92 : 108,101.31 = 19,475.86 : x
2. Step 2: Convert to fraction form
   72,065.92/108,101.31 = 19,475.86/x
3. Step 3: Cross multiply
   72,065.92x = 108,101.31 × 19,475.86
4. Step 4: Simplify right side
   72,065.92x = 2,105,365,979.38
5. Step 5: Solve for x
   x = 2,105,365,979.38/72,065.92
6. Step 6: Final answer
   x = 29,214.45