Finding the Fourth Proportional to 126,809.69, 174,967.31 and 75,100.68

Step by Step Solution

1. Step 1: Write the proportion equation
   126,809.69 : 174,967.31 = 75,100.68 : x
2. Step 2: Convert to fraction form
   126,809.69/174,967.31 = 75,100.68/x
3. Step 3: Cross multiply
   126,809.69x = 174,967.31 × 75,100.68
4. Step 4: Simplify right side
   126,809.69x = 13,140,164,146.52
5. Step 5: Solve for x
   x = 13,140,164,146.52/126,809.69
6. Step 6: Final answer
   x = 103,621.14