Finding the Fourth Proportional to 109,089, 150,544.64 and 71,363.25

Step by Step Solution

1. Step 1: Write the proportion equation
   109,089 : 150,544.64 = 71,363.25 : x
2. Step 2: Convert to fraction form
   109,089/150,544.64 = 71,363.25/x
3. Step 3: Cross multiply
   109,089x = 150,544.64 × 71,363.25
4. Step 4: Simplify right side
   109,089x = 10,743,354,958.89
5. Step 5: Solve for x
   x = 10,743,354,958.89/109,089
6. Step 6: Final answer
   x = 98,482.48