Finding the Fourth Proportional to 71,521.34, 107,299.71 and 50,502.56

Step by Step Solution

1. Step 1: Write the proportion equation
   71,521.34 : 107,299.71 = 50,502.56 : x
2. Step 2: Convert to fraction form
   71,521.34/107,299.71 = 50,502.56/x
3. Step 3: Cross multiply
   71,521.34x = 107,299.71 × 50,502.56
4. Step 4: Simplify right side
   71,521.34x = 5,418,909,505.76
5. Step 5: Solve for x
   x = 5,418,909,505.76/71,521.34
6. Step 6: Final answer
   x = 75,766.34