Finding the Fourth Proportional to 89,160.96, 123,102.72 and 68,048.64

Step by Step Solution

1. Step 1: Write the proportion equation
   89,160.96 : 123,102.72 = 68,048.64 : x
2. Step 2: Convert to fraction form
   89,160.96/123,102.72 = 68,048.64/x
3. Step 3: Cross multiply
   89,160.96x = 123,102.72 × 68,048.64
4. Step 4: Simplify right side
   89,160.96x = 8,376,972,676.30
5. Step 5: Solve for x
   x = 8,376,972,676.30/89,160.96
6. Step 6: Final answer
   x = 93,953.37