Finding the Fourth Proportional to 123,945.47, 171,044.26 and 70,240.72

Step by Step Solution

1. Step 1: Write the proportion equation
   123,945.47 : 171,044.26 = 70,240.72 : x
2. Step 2: Convert to fraction form
   123,945.47/171,044.26 = 70,240.72/x
3. Step 3: Cross multiply
   123,945.47x = 171,044.26 × 70,240.72
4. Step 4: Simplify right side
   123,945.47x = 12,014,271,974.27
5. Step 5: Solve for x
   x = 12,014,271,974.27/123,945.47
6. Step 6: Final answer
   x = 96,931.92