Finding the Fourth Proportional to 142,596.30, 214,104.72 and 79,539.63

Step by Step Solution

1. Step 1: Write the proportion equation
   142,596.30 : 214,104.72 = 79,539.63 : x
2. Step 2: Convert to fraction form
   142,596.30/214,104.72 = 79,539.63/x
3. Step 3: Cross multiply
   142,596.30x = 214,104.72 × 79,539.63
4. Step 4: Simplify right side
   142,596.30x = 17,029,810,210.05
5. Step 5: Solve for x
   x = 17,029,810,210.05/142,596.30
6. Step 6: Final answer
   x = 119,426.73