Finding the Fourth Proportional to 126,277.34, 174,262.38 and 69,688.31

Step by Step Solution

1. Step 1: Write the proportion equation
   126,277.34 : 174,262.38 = 69,688.31 : x
2. Step 2: Convert to fraction form
   126,277.34/174,262.38 = 69,688.31/x
3. Step 3: Cross multiply
   126,277.34x = 174,262.38 × 69,688.31
4. Step 4: Simplify right side
   126,277.34x = 12,144,050,758.78
5. Step 5: Solve for x
   x = 12,144,050,758.78/126,277.34
6. Step 6: Final answer
   x = 96,169.68