Finding the Fourth Proportional to 140,880.82, 194,398.23 and 89,177.71

Step by Step Solution

1. Step 1: Write the proportion equation
   140,880.82 : 194,398.23 = 89,177.71 : x
2. Step 2: Convert to fraction form
   140,880.82/194,398.23 = 89,177.71/x
3. Step 3: Cross multiply
   140,880.82x = 194,398.23 × 89,177.71
4. Step 4: Simplify right side
   140,880.82x = 17,335,988,979.45
5. Step 5: Solve for x
   x = 17,335,988,979.45/140,880.82
6. Step 6: Final answer
   x = 123,054.29