Finding the Fourth Proportional to 188,910.76, 260,618.61 and 112,414.54

Step by Step Solution

1. Step 1: Write the proportion equation
   188,910.76 : 260,618.61 = 112,414.54 : x
2. Step 2: Convert to fraction form
   188,910.76/260,618.61 = 112,414.54/x
3. Step 3: Cross multiply
   188,910.76x = 260,618.61 × 112,414.54
4. Step 4: Simplify right side
   188,910.76x = 29,297,321,158.59
5. Step 5: Solve for x
   x = 29,297,321,158.59/188,910.76
6. Step 6: Final answer
   x = 155,085.51