Finding the Fourth Proportional to 126,061.20, 174,009 and 112,609.08

Step by Step Solution

1. Step 1: Write the proportion equation
   126,061.20 : 174,009 = 112,609.08 : x
2. Step 2: Convert to fraction form
   126,061.20/174,009 = 112,609.08/x
3. Step 3: Cross multiply
   126,061.20x = 174,009 × 112,609.08
4. Step 4: Simplify right side
   126,061.20x = 19,594,993,401.72
5. Step 5: Solve for x
   x = 19,594,993,401.72/126,061.20
6. Step 6: Final answer
   x = 155,440.32