Finding the Fourth Proportional to 71,448.34, 107,196.52 and 50,123.28

Step by Step Solution

1. Step 1: Write the proportion equation
   71,448.34 : 107,196.52 = 50,123.28 : x
2. Step 2: Convert to fraction form
   71,448.34/107,196.52 = 50,123.28/x
3. Step 3: Cross multiply
   71,448.34x = 107,196.52 × 50,123.28
4. Step 4: Simplify right side
   71,448.34x = 5,373,041,186.99
5. Step 5: Solve for x
   x = 5,373,041,186.99/71,448.34
6. Step 6: Final answer
   x = 75,201.76