Finding the Fourth Proportional to 127,434.25, 175,673.37 and 89,074.34

Step by Step Solution

1. Step 1: Write the proportion equation
   127,434.25 : 175,673.37 = 89,074.34 : x
2. Step 2: Convert to fraction form
   127,434.25/175,673.37 = 89,074.34/x
3. Step 3: Cross multiply
   127,434.25x = 175,673.37 × 89,074.34
4. Step 4: Simplify right side
   127,434.25x = 15,647,989,488.33
5. Step 5: Solve for x
   x = 15,647,989,488.33/127,434.25
6. Step 6: Final answer
   x = 122,792.65