Finding the Fourth Proportional to 95,477.76, 131,749.20 and 55,185.12

Step by Step Solution

1. Step 1: Write the proportion equation
   95,477.76 : 131,749.20 = 55,185.12 : x
2. Step 2: Convert to fraction form
   95,477.76/131,749.20 = 55,185.12/x
3. Step 3: Cross multiply
   95,477.76x = 131,749.20 × 55,185.12
4. Step 4: Simplify right side
   95,477.76x = 7,270,595,411.90
5. Step 5: Solve for x
   x = 7,270,595,411.90/95,477.76
6. Step 6: Final answer
   x = 76,149.62