Finding the Fourth Proportional to 123,944.47, 171,042.88 and 70,239.72

Step by Step Solution

1. Step 1: Write the proportion equation
   123,944.47 : 171,042.88 = 70,239.72 : x
2. Step 2: Convert to fraction form
   123,944.47/171,042.88 = 70,239.72/x
3. Step 3: Cross multiply
   123,944.47x = 171,042.88 × 70,239.72
4. Step 4: Simplify right side
   123,944.47x = 12,014,003,999.19
5. Step 5: Solve for x
   x = 12,014,003,999.19/123,944.47
6. Step 6: Final answer
   x = 96,930.54