Finding the Fourth Proportional to 112,942.10, 155,864.98 and 67,611.30

Step by Step Solution

1. Step 1: Write the proportion equation
   112,942.10 : 155,864.98 = 67,611.30 : x
2. Step 2: Convert to fraction form
   112,942.10/155,864.98 = 67,611.30/x
3. Step 3: Cross multiply
   112,942.10x = 155,864.98 × 67,611.30
4. Step 4: Simplify right side
   112,942.10x = 10,538,233,922.27
5. Step 5: Solve for x
   x = 10,538,233,922.27/112,942.10
6. Step 6: Final answer
   x = 93,306.52