Finding the Fourth Proportional to 114,443.80, 171,806.10 and 72,323.80

Step by Step Solution

1. Step 1: Write the proportion equation
   114,443.80 : 171,806.10 = 72,323.80 : x
2. Step 2: Convert to fraction form
   114,443.80/171,806.10 = 72,323.80/x
3. Step 3: Cross multiply
   114,443.80x = 171,806.10 × 72,323.80
4. Step 4: Simplify right side
   114,443.80x = 12,425,670,015.18
5. Step 5: Solve for x
   x = 12,425,670,015.18/114,443.80
6. Step 6: Final answer
   x = 108,574.43