Finding the Fourth Proportional to 73,857.72, 101,923.02 and 40,323

Step by Step Solution

1. Step 1: Write the proportion equation
   73,857.72 : 101,923.02 = 40,323 : x
2. Step 2: Convert to fraction form
   73,857.72/101,923.02 = 40,323/x
3. Step 3: Cross multiply
   73,857.72x = 101,923.02 × 40,323
4. Step 4: Simplify right side
   73,857.72x = 4,109,841,935.46
5. Step 5: Solve for x
   x = 4,109,841,935.46/73,857.72
6. Step 6: Final answer
   x = 55,645.39