Finding the Fourth Proportional to 126,535.34, 174,610.46 and 72,811.69

Step by Step Solution

1. Step 1: Write the proportion equation
   126,535.34 : 174,610.46 = 72,811.69 : x
2. Step 2: Convert to fraction form
   126,535.34/174,610.46 = 72,811.69/x
3. Step 3: Cross multiply
   126,535.34x = 174,610.46 × 72,811.69
4. Step 4: Simplify right side
   126,535.34x = 12,713,681,883.69
5. Step 5: Solve for x
   x = 12,713,681,883.69/126,535.34
6. Step 6: Final answer
   x = 100,475.34