Finding the Fourth Proportional to 126,333.34, 189,399.40 and 72,964.60

Step by Step Solution

1. Step 1: Write the proportion equation
   126,333.34 : 189,399.40 = 72,964.60 : x
2. Step 2: Convert to fraction form
   126,333.34/189,399.40 = 72,964.60/x
3. Step 3: Cross multiply
   126,333.34x = 189,399.40 × 72,964.60
4. Step 4: Simplify right side
   126,333.34x = 13,819,450,805.33
5. Step 5: Solve for x
   x = 13,819,450,805.33/126,333.34
6. Step 6: Final answer
   x = 109,388.79