Finding the Fourth Proportional to 126,801.45, 174,943.52 and 73,085.31

Step by Step Solution

1. Step 1: Write the proportion equation
   126,801.45 : 174,943.52 = 73,085.31 : x
2. Step 2: Convert to fraction form
   126,801.45/174,943.52 = 73,085.31/x
3. Step 3: Cross multiply
   126,801.45x = 174,943.52 × 73,085.31
4. Step 4: Simplify right side
   126,801.45x = 12,785,801,997.92
5. Step 5: Solve for x
   x = 12,785,801,997.92/126,801.45
6. Step 6: Final answer
   x = 100,833.25