Finding the Fourth Proportional to 140,162.09, 193,394.12 and 89,156.25

Step by Step Solution

1. Step 1: Write the proportion equation
   140,162.09 : 193,394.12 = 89,156.25 : x
2. Step 2: Convert to fraction form
   140,162.09/193,394.12 = 89,156.25/x
3. Step 3: Cross multiply
   140,162.09x = 193,394.12 × 89,156.25
4. Step 4: Simplify right side
   140,162.09x = 17,242,294,065.47
5. Step 5: Solve for x
   x = 17,242,294,065.47/140,162.09
6. Step 6: Final answer
   x = 123,016.82