Finding the Fourth Proportional to 123,853.88, 170,929.50 and 70,151.96

Step by Step Solution

1. Step 1: Write the proportion equation
   123,853.88 : 170,929.50 = 70,151.96 : x
2. Step 2: Convert to fraction form
   123,853.88/170,929.50 = 70,151.96/x
3. Step 3: Cross multiply
   123,853.88x = 170,929.50 × 70,151.96
4. Step 4: Simplify right side
   123,853.88x = 11,991,039,446.82
5. Step 5: Solve for x
   x = 11,991,039,446.82/123,853.88
6. Step 6: Final answer
   x = 96,816.02