Finding the Fourth Proportional to 71,611.56, 107,315.50 and 52,743.22

Step by Step Solution

1. Step 1: Write the proportion equation
   71,611.56 : 107,315.50 = 52,743.22 : x
2. Step 2: Convert to fraction form
   71,611.56/107,315.50 = 52,743.22/x
3. Step 3: Cross multiply
   71,611.56x = 107,315.50 × 52,743.22
4. Step 4: Simplify right side
   71,611.56x = 5,660,164,225.62
5. Step 5: Solve for x
   x = 5,660,164,225.62/71,611.56
6. Step 6: Final answer
   x = 79,039.81