Finding the Fourth Proportional to 82,764.50, 124,171.23 and 47,729.30

Step by Step Solution

1. Step 1: Write the proportion equation
   82,764.50 : 124,171.23 = 47,729.30 : x
2. Step 2: Convert to fraction form
   82,764.50/124,171.23 = 47,729.30/x
3. Step 3: Cross multiply
   82,764.50x = 124,171.23 × 47,729.30
4. Step 4: Simplify right side
   82,764.50x = 5,926,605,888.04
5. Step 5: Solve for x
   x = 5,926,605,888.04/82,764.50
6. Step 6: Final answer
   x = 71,608.07