Finding the Fourth Proportional to 126,592.56, 189,721.17 and 67,300.56

Step by Step Solution

1. Step 1: Write the proportion equation
   126,592.56 : 189,721.17 = 67,300.56 : x
2. Step 2: Convert to fraction form
   126,592.56/189,721.17 = 67,300.56/x
3. Step 3: Cross multiply
   126,592.56x = 189,721.17 × 67,300.56
4. Step 4: Simplify right side
   126,592.56x = 12,768,340,984.86
5. Step 5: Solve for x
   x = 12,768,340,984.86/126,592.56
6. Step 6: Final answer
   x = 100,861.70