Finding the Fourth Proportional to 112,834.32, 155,669.68 and 67,513.36

Step by Step Solution

1. Step 1: Write the proportion equation
   112,834.32 : 155,669.68 = 67,513.36 : x
2. Step 2: Convert to fraction form
   112,834.32/155,669.68 = 67,513.36/x
3. Step 3: Cross multiply
   112,834.32x = 155,669.68 × 67,513.36
4. Step 4: Simplify right side
   112,834.32x = 10,509,783,146.92
5. Step 5: Solve for x
   x = 10,509,783,146.92/112,834.32
6. Step 6: Final answer
   x = 93,143.50