Finding the Fourth Proportional to 71,573.49, 107,415.59 and 49,540.82

Step by Step Solution

1. Step 1: Write the proportion equation
   71,573.49 : 107,415.59 = 49,540.82 : x
2. Step 2: Convert to fraction form
   71,573.49/107,415.59 = 49,540.82/x
3. Step 3: Cross multiply
   71,573.49x = 107,415.59 × 49,540.82
4. Step 4: Simplify right side
   71,573.49x = 5,321,455,624.60
5. Step 5: Solve for x
   x = 5,321,455,624.60/71,573.49
6. Step 6: Final answer
   x = 74,349.53