Finding the Fourth Proportional to 199,651.03, 275,514.78 and 113,608.15

Step by Step Solution

1. Step 1: Write the proportion equation
   199,651.03 : 275,514.78 = 113,608.15 : x
2. Step 2: Convert to fraction form
   199,651.03/275,514.78 = 113,608.15/x
3. Step 3: Cross multiply
   199,651.03x = 275,514.78 × 113,608.15
4. Step 4: Simplify right side
   199,651.03x = 31,300,724,453.46
5. Step 5: Solve for x
   x = 31,300,724,453.46/199,651.03
6. Step 6: Final answer
   x = 156,777.17