Finding the Fourth Proportional to 125,016.82, 172,523.32 and 71,300.45

Step by Step Solution

1. Step 1: Write the proportion equation
   125,016.82 : 172,523.32 = 71,300.45 : x
2. Step 2: Convert to fraction form
   125,016.82/172,523.32 = 71,300.45/x
3. Step 3: Cross multiply
   125,016.82x = 172,523.32 × 71,300.45
4. Step 4: Simplify right side
   125,016.82x = 12,300,990,604.55
5. Step 5: Solve for x
   x = 12,300,990,604.55/125,016.82
6. Step 6: Final answer
   x = 98,394.69