Finding the Fourth Proportional to 95,413.41, 131,676.89 and 55,128.87

Step by Step Solution

1. Step 1: Write the proportion equation
   95,413.41 : 131,676.89 = 55,128.87 : x
2. Step 2: Convert to fraction form
   95,413.41/131,676.89 = 55,128.87/x
3. Step 3: Cross multiply
   95,413.41x = 131,676.89 × 55,128.87
4. Step 4: Simplify right side
   95,413.41x = 7,259,197,875.17
5. Step 5: Solve for x
   x = 7,259,197,875.17/95,413.41
6. Step 6: Final answer
   x = 76,081.53