Finding the Fourth Proportional to 115,897.89, 159,920.82 and 67,507.79

Step by Step Solution

1. Step 1: Write the proportion equation
   115,897.89 : 159,920.82 = 67,507.79 : x
2. Step 2: Convert to fraction form
   115,897.89/159,920.82 = 67,507.79/x
3. Step 3: Cross multiply
   115,897.89x = 159,920.82 × 67,507.79
4. Step 4: Simplify right side
   115,897.89x = 10,795,900,333.58
5. Step 5: Solve for x
   x = 10,795,900,333.58/115,897.89
6. Step 6: Final answer
   x = 93,150.10