Finding the Fourth Proportional to 126,116.72, 173,981.67 and 75,100.38

Step by Step Solution

1. Step 1: Write the proportion equation
   126,116.72 : 173,981.67 = 75,100.38 : x
2. Step 2: Convert to fraction form
   126,116.72/173,981.67 = 75,100.38/x
3. Step 3: Cross multiply
   126,116.72x = 173,981.67 × 75,100.38
4. Step 4: Simplify right side
   126,116.72x = 13,066,089,530.03
5. Step 5: Solve for x
   x = 13,066,089,530.03/126,116.72
6. Step 6: Final answer
   x = 103,603.15