Finding the Fourth Proportional to 111,255.96, 165,891.49 and 98,892.12

Step by Step Solution

1. Step 1: Write the proportion equation
   111,255.96 : 165,891.49 = 98,892.12 : x
2. Step 2: Convert to fraction form
   111,255.96/165,891.49 = 98,892.12/x
3. Step 3: Cross multiply
   111,255.96x = 165,891.49 × 98,892.12
4. Step 4: Simplify right side
   111,255.96x = 16,405,361,136.06
5. Step 5: Solve for x
   x = 16,405,361,136.06/111,255.96
6. Step 6: Final answer
   x = 147,456.02