Finding the Fourth Proportional to 95,491.78, 142,536.73 and 88,454.50

Step by Step Solution

1. Step 1: Write the proportion equation
   95,491.78 : 142,536.73 = 88,454.50 : x
2. Step 2: Convert to fraction form
   95,491.78/142,536.73 = 88,454.50/x
3. Step 3: Cross multiply
   95,491.78x = 142,536.73 × 88,454.50
4. Step 4: Simplify right side
   95,491.78x = 12,608,015,183.79
5. Step 5: Solve for x
   x = 12,608,015,183.79/95,491.78
6. Step 6: Final answer
   x = 132,032.47