Finding the Fourth Proportional to 83,529.79, 124,995.38 and 72,323.79

Step by Step Solution

1. Step 1: Write the proportion equation
   83,529.79 : 124,995.38 = 72,323.79 : x
2. Step 2: Convert to fraction form
   83,529.79/124,995.38 = 72,323.79/x
3. Step 3: Cross multiply
   83,529.79x = 124,995.38 × 72,323.79
4. Step 4: Simplify right side
   83,529.79x = 9,040,140,097.07
5. Step 5: Solve for x
   x = 9,040,140,097.07/83,529.79
6. Step 6: Final answer
   x = 108,226.54