Finding the Fourth Proportional to 333,558.72, 500,431.59 and 134,019.18

Step by Step Solution

1. Step 1: Write the proportion equation
   333,558.72 : 500,431.59 = 134,019.18 : x
2. Step 2: Convert to fraction form
   333,558.72/500,431.59 = 134,019.18/x
3. Step 3: Cross multiply
   333,558.72x = 500,431.59 × 134,019.18
4. Step 4: Simplify right side
   333,558.72x = 67,067,431,337.90
5. Step 5: Solve for x
   x = 67,067,431,337.90/333,558.72
6. Step 6: Final answer
   x = 201,066.34