Finding the Fourth Proportional to 106,896.21, 160,390.82 and 67,006.61

Step by Step Solution

1. Step 1: Write the proportion equation
   106,896.21 : 160,390.82 = 67,006.61 : x
2. Step 2: Convert to fraction form
   106,896.21/160,390.82 = 67,006.61/x
3. Step 3: Cross multiply
   106,896.21x = 160,390.82 × 67,006.61
4. Step 4: Simplify right side
   106,896.21x = 10,747,245,123.32
5. Step 5: Solve for x
   x = 10,747,245,123.32/106,896.21
6. Step 6: Final answer
   x = 100,539.07