Finding the Fourth Proportional to 116,171, 160,291.26 and 68,406.92

Step by Step Solution

1. Step 1: Write the proportion equation
   116,171 : 160,291.26 = 68,406.92 : x
2. Step 2: Convert to fraction form
   116,171/160,291.26 = 68,406.92/x
3. Step 3: Cross multiply
   116,171x = 160,291.26 × 68,406.92
4. Step 4: Simplify right side
   116,171x = 10,965,031,399.52
5. Step 5: Solve for x
   x = 10,965,031,399.52/116,171
6. Step 6: Final answer
   x = 94,386.99