Finding the Fourth Proportional to 126,499.61, 174,456.46 and 104,955.25

Step by Step Solution

1. Step 1: Write the proportion equation
   126,499.61 : 174,456.46 = 104,955.25 : x
2. Step 2: Convert to fraction form
   126,499.61/174,456.46 = 104,955.25/x
3. Step 3: Cross multiply
   126,499.61x = 174,456.46 × 104,955.25
4. Step 4: Simplify right side
   126,499.61x = 18,310,120,674.89
5. Step 5: Solve for x
   x = 18,310,120,674.89/126,499.61
6. Step 6: Final answer
   x = 144,744.48