Finding the Fourth Proportional to 199,411.88, 275,188.59 and 114,545.34

Step by Step Solution

1. Step 1: Write the proportion equation
   199,411.88 : 275,188.59 = 114,545.34 : x
2. Step 2: Convert to fraction form
   199,411.88/275,188.59 = 114,545.34/x
3. Step 3: Cross multiply
   199,411.88x = 275,188.59 × 114,545.34
4. Step 4: Simplify right side
   199,411.88x = 31,521,570,605.67
5. Step 5: Solve for x
   x = 31,521,570,605.67/199,411.88
6. Step 6: Final answer
   x = 158,072.69