Finding the Fourth Proportional to 72,404.38, 108,606.66 and 19,814.32

Step by Step Solution

1. Step 1: Write the proportion equation
   72,404.38 : 108,606.66 = 19,814.32 : x
2. Step 2: Convert to fraction form
   72,404.38/108,606.66 = 19,814.32/x
3. Step 3: Cross multiply
   72,404.38x = 108,606.66 × 19,814.32
4. Step 4: Simplify right side
   72,404.38x = 2,151,967,115.37
5. Step 5: Solve for x
   x = 2,151,967,115.37/72,404.38
6. Step 6: Final answer
   x = 29,721.50