Finding the Fourth Proportional to 109,189.24, 150,668.94 and 61,459

Step by Step Solution

1. Step 1: Write the proportion equation
   109,189.24 : 150,668.94 = 61,459 : x
2. Step 2: Convert to fraction form
   109,189.24/150,668.94 = 61,459/x
3. Step 3: Cross multiply
   109,189.24x = 150,668.94 × 61,459
4. Step 4: Simplify right side
   109,189.24x = 9,259,962,383.46
5. Step 5: Solve for x
   x = 9,259,962,383.46/109,189.24
6. Step 6: Final answer
   x = 84,806.55