Finding the Fourth Proportional to 143,883.38, 215,693.58 and 50,338.10

Step by Step Solution

1. Step 1: Write the proportion equation
   143,883.38 : 215,693.58 = 50,338.10 : x
2. Step 2: Convert to fraction form
   143,883.38/215,693.58 = 50,338.10/x
3. Step 3: Cross multiply
   143,883.38x = 215,693.58 × 50,338.10
4. Step 4: Simplify right side
   143,883.38x = 10,857,604,999.40
5. Step 5: Solve for x
   x = 10,857,604,999.40/143,883.38
6. Step 6: Final answer
   x = 75,461.15