Finding the Fourth Proportional to 72,661.01, 108,991.37 and 19,353.02

Step by Step Solution

1. Step 1: Write the proportion equation
   72,661.01 : 108,991.37 = 19,353.02 : x
2. Step 2: Convert to fraction form
   72,661.01/108,991.37 = 19,353.02/x
3. Step 3: Cross multiply
   72,661.01x = 108,991.37 × 19,353.02
4. Step 4: Simplify right side
   72,661.01x = 2,109,311,666.86
5. Step 5: Solve for x
   x = 2,109,311,666.86/72,661.01
6. Step 6: Final answer
   x = 29,029.49