Finding the Fourth Proportional to 51,574.50, 71,172.86 and 29,218.50

Step by Step Solution

1. Step 1: Write the proportion equation
   51,574.50 : 71,172.86 = 29,218.50 : x
2. Step 2: Convert to fraction form
   51,574.50/71,172.86 = 29,218.50/x
3. Step 3: Cross multiply
   51,574.50x = 71,172.86 × 29,218.50
4. Step 4: Simplify right side
   51,574.50x = 2,079,564,063.82
5. Step 5: Solve for x
   x = 2,079,564,063.82/51,574.50
6. Step 6: Final answer
   x = 40,321.56