Finding the Fourth Proportional to 95,072.50, 142,403.72 and 89,483.02

Step by Step Solution

1. Step 1: Write the proportion equation
   95,072.50 : 142,403.72 = 89,483.02 : x
2. Step 2: Convert to fraction form
   95,072.50/142,403.72 = 89,483.02/x
3. Step 3: Cross multiply
   95,072.50x = 142,403.72 × 89,483.02
4. Step 4: Simplify right side
   95,072.50x = 12,742,714,121.41
5. Step 5: Solve for x
   x = 12,742,714,121.41/95,072.50
6. Step 6: Final answer
   x = 134,031.55