Finding the Fourth Proportional to 144,824.14, 199,854.30 and 79,412.05

Step by Step Solution

1. Step 1: Write the proportion equation
   144,824.14 : 199,854.30 = 79,412.05 : x
2. Step 2: Convert to fraction form
   144,824.14/199,854.30 = 79,412.05/x
3. Step 3: Cross multiply
   144,824.14x = 199,854.30 × 79,412.05
4. Step 4: Simplify right side
   144,824.14x = 15,870,839,664.32
5. Step 5: Solve for x
   x = 15,870,839,664.32/144,824.14
6. Step 6: Final answer
   x = 109,586.98