Finding the Fourth Proportional to 124,976.23, 172,466.72 and 67,615.36

Step by Step Solution

1. Step 1: Write the proportion equation
   124,976.23 : 172,466.72 = 67,615.36 : x
2. Step 2: Convert to fraction form
   124,976.23/172,466.72 = 67,615.36/x
3. Step 3: Cross multiply
   124,976.23x = 172,466.72 × 67,615.36
4. Step 4: Simplify right side
   124,976.23x = 11,661,399,360.82
5. Step 5: Solve for x
   x = 11,661,399,360.82/124,976.23
6. Step 6: Final answer
   x = 93,308.94