Finding the Fourth Proportional to 234,150.89, 323,128.10 and 126,720.86

Step by Step Solution

1. Step 1: Write the proportion equation
   234,150.89 : 323,128.10 = 126,720.86 : x
2. Step 2: Convert to fraction form
   234,150.89/323,128.10 = 126,720.86/x
3. Step 3: Cross multiply
   234,150.89x = 323,128.10 × 126,720.86
4. Step 4: Simplify right side
   234,150.89x = 40,947,069,423.33
5. Step 5: Solve for x
   x = 40,947,069,423.33/234,150.89
6. Step 6: Final answer
   x = 174,874.72