Finding the Fourth Proportional to 123,581.58, 185,226.57 and 56,960.70

Step by Step Solution

1. Step 1: Write the proportion equation
   123,581.58 : 185,226.57 = 56,960.70 : x
2. Step 2: Convert to fraction form
   123,581.58/185,226.57 = 56,960.70/x
3. Step 3: Cross multiply
   123,581.58x = 185,226.57 × 56,960.70
4. Step 4: Simplify right side
   123,581.58x = 10,550,635,085.80
5. Step 5: Solve for x
   x = 10,550,635,085.80/123,581.58
6. Step 6: Final answer
   x = 85,373.85