Finding the Fourth Proportional to 126,435.06, 174,500.79 and 75,450.42

Step by Step Solution

1. Step 1: Write the proportion equation
   126,435.06 : 174,500.79 = 75,450.42 : x
2. Step 2: Convert to fraction form
   126,435.06/174,500.79 = 75,450.42/x
3. Step 3: Cross multiply
   126,435.06x = 174,500.79 × 75,450.42
4. Step 4: Simplify right side
   126,435.06x = 13,166,157,895.83
5. Step 5: Solve for x
   x = 13,166,157,895.83/126,435.06
6. Step 6: Final answer
   x = 104,133.76