Finding the Fourth Proportional to 133,434.30, 200,134.17 and 50,317.50

Step by Step Solution

1. Step 1: Write the proportion equation
   133,434.30 : 200,134.17 = 50,317.50 : x
2. Step 2: Convert to fraction form
   133,434.30/200,134.17 = 50,317.50/x
3. Step 3: Cross multiply
   133,434.30x = 200,134.17 × 50,317.50
4. Step 4: Simplify right side
   133,434.30x = 10,070,251,098.98
5. Step 5: Solve for x
   x = 10,070,251,098.98/133,434.30
6. Step 6: Final answer
   x = 75,469.73