Finding the Fourth Proportional to 126,864.63, 175,153.86 and 79,188.03

Step by Step Solution

1. Step 1: Write the proportion equation
   126,864.63 : 175,153.86 = 79,188.03 : x
2. Step 2: Convert to fraction form
   126,864.63/175,153.86 = 79,188.03/x
3. Step 3: Cross multiply
   126,864.63x = 175,153.86 × 79,188.03
4. Step 4: Simplify right side
   126,864.63x = 13,870,089,120.30
5. Step 5: Solve for x
   x = 13,870,089,120.30/126,864.63
6. Step 6: Final answer
   x = 109,329.84