Finding the Fourth Proportional to 71,654.74, 107,500.47 and 50,636.50

Step by Step Solution

1. Step 1: Write the proportion equation
   71,654.74 : 107,500.47 = 50,636.50 : x
2. Step 2: Convert to fraction form
   71,654.74/107,500.47 = 50,636.50/x
3. Step 3: Cross multiply
   71,654.74x = 107,500.47 × 50,636.50
4. Step 4: Simplify right side
   71,654.74x = 5,443,447,549.16
5. Step 5: Solve for x
   x = 5,443,447,549.16/71,654.74
6. Step 6: Final answer
   x = 75,967.72