Finding the Fourth Proportional to 140,876.82, 194,392.71 and 89,173.71

Step by Step Solution

1. Step 1: Write the proportion equation
   140,876.82 : 194,392.71 = 89,173.71 : x
2. Step 2: Convert to fraction form
   140,876.82/194,392.71 = 89,173.71/x
3. Step 3: Cross multiply
   140,876.82x = 194,392.71 × 89,173.71
4. Step 4: Simplify right side
   140,876.82x = 17,334,719,147.65
5. Step 5: Solve for x
   x = 17,334,719,147.65/140,876.82
6. Step 6: Final answer
   x = 123,048.77