Finding the Fourth Proportional to 95,121, 131,266.70 and 54,834.54

Step by Step Solution

1. Step 1: Write the proportion equation
   95,121 : 131,266.70 = 54,834.54 : x
2. Step 2: Convert to fraction form
   95,121/131,266.70 = 54,834.54/x
3. Step 3: Cross multiply
   95,121x = 131,266.70 × 54,834.54
4. Step 4: Simplify right side
   95,121x = 7,197,949,111.82
5. Step 5: Solve for x
   x = 7,197,949,111.82/95,121
6. Step 6: Final answer
   x = 75,671.50