Finding the Fourth Proportional to 95,070.69, 142,401.01 and 89,481.21

Step by Step Solution

1. Step 1: Write the proportion equation
   95,070.69 : 142,401.01 = 89,481.21 : x
2. Step 2: Convert to fraction form
   95,070.69/142,401.01 = 89,481.21/x
3. Step 3: Cross multiply
   95,070.69x = 142,401.01 × 89,481.21
4. Step 4: Simplify right side
   95,070.69x = 12,742,214,456.32
5. Step 5: Solve for x
   x = 12,742,214,456.32/95,070.69
6. Step 6: Final answer
   x = 134,028.84