Finding the Fourth Proportional to 141,144.24, 194,843.16 and 90,226.56

Step by Step Solution

1. Step 1: Write the proportion equation
   141,144.24 : 194,843.16 = 90,226.56 : x
2. Step 2: Convert to fraction form
   141,144.24/194,843.16 = 90,226.56/x
3. Step 3: Cross multiply
   141,144.24x = 194,843.16 × 90,226.56
4. Step 4: Simplify right side
   141,144.24x = 17,580,028,066.33
5. Step 5: Solve for x
   x = 17,580,028,066.33/141,144.24
6. Step 6: Final answer
   x = 124,553.63