Finding the Fourth Proportional to 115,953.38, 160,047.15 and 68,222.10

Step by Step Solution

1. Step 1: Write the proportion equation
   115,953.38 : 160,047.15 = 68,222.10 : x
2. Step 2: Convert to fraction form
   115,953.38/160,047.15 = 68,222.10/x
3. Step 3: Cross multiply
   115,953.38x = 160,047.15 × 68,222.10
4. Step 4: Simplify right side
   115,953.38x = 10,918,752,672.02
5. Step 5: Solve for x
   x = 10,918,752,672.02/115,953.38
6. Step 6: Final answer
   x = 94,165.02