Finding the Fourth Proportional to 126,267.89, 174,279.51 and 72,584.05

Step by Step Solution

1. Step 1: Write the proportion equation
   126,267.89 : 174,279.51 = 72,584.05 : x
2. Step 2: Convert to fraction form
   126,267.89/174,279.51 = 72,584.05/x
3. Step 3: Cross multiply
   126,267.89x = 174,279.51 × 72,584.05
4. Step 4: Simplify right side
   126,267.89x = 12,649,912,667.82
5. Step 5: Solve for x
   x = 12,649,912,667.82/126,267.89
6. Step 6: Final answer
   x = 100,183.13