Finding the Fourth Proportional to 112,581.27, 155,336.72 and 67,250.39

Step by Step Solution

1. Step 1: Write the proportion equation
   112,581.27 : 155,336.72 = 67,250.39 : x
2. Step 2: Convert to fraction form
   112,581.27/155,336.72 = 67,250.39/x
3. Step 3: Cross multiply
   112,581.27x = 155,336.72 × 67,250.39
4. Step 4: Simplify right side
   112,581.27x = 10,446,453,888.39
5. Step 5: Solve for x
   x = 10,446,453,888.39/112,581.27
6. Step 6: Final answer
   x = 92,790.34