Finding the Fourth Proportional to 78,871.06, 108,842.31 and 50,576.86

Step by Step Solution

1. Step 1: Write the proportion equation
   78,871.06 : 108,842.31 = 50,576.86 : x
2. Step 2: Convert to fraction form
   78,871.06/108,842.31 = 50,576.86/x
3. Step 3: Cross multiply
   78,871.06x = 108,842.31 × 50,576.86
4. Step 4: Simplify right side
   78,871.06x = 5,504,902,274.95
5. Step 5: Solve for x
   x = 5,504,902,274.95/78,871.06
6. Step 6: Final answer
   x = 69,796.23