Finding the Fourth Proportional to 123,846.72, 170,914.50 and 70,134

Step by Step Solution

1. Step 1: Write the proportion equation
   123,846.72 : 170,914.50 = 70,134 : x
2. Step 2: Convert to fraction form
   123,846.72/170,914.50 = 70,134/x
3. Step 3: Cross multiply
   123,846.72x = 170,914.50 × 70,134
4. Step 4: Simplify right side
   123,846.72x = 11,986,917,543
5. Step 5: Solve for x
   x = 11,986,917,543/123,846.72
6. Step 6: Final answer
   x = 96,788.33