Finding the Fourth Proportional to 106,942.61, 160,323.69 and 67,412.57

Step by Step Solution

1. Step 1: Write the proportion equation
   106,942.61 : 160,323.69 = 67,412.57 : x
2. Step 2: Convert to fraction form
   106,942.61/160,323.69 = 67,412.57/x
3. Step 3: Cross multiply
   106,942.61x = 160,323.69 × 67,412.57
4. Step 4: Simplify right side
   106,942.61x = 10,807,831,974.78
5. Step 5: Solve for x
   x = 10,807,831,974.78/106,942.61
6. Step 6: Final answer
   x = 101,061.98