Finding the Fourth Proportional to 127,113.60, 175,418.81 and 73,403.31

Step by Step Solution

1. Step 1: Write the proportion equation
   127,113.60 : 175,418.81 = 73,403.31 : x
2. Step 2: Convert to fraction form
   127,113.60/175,418.81 = 73,403.31/x
3. Step 3: Cross multiply
   127,113.60x = 175,418.81 × 73,403.31
4. Step 4: Simplify right side
   127,113.60x = 12,876,322,269.22
5. Step 5: Solve for x
   x = 12,876,322,269.22/127,113.60
6. Step 6: Final answer
   x = 101,297.75