Finding the Fourth Proportional to 2,730.89, 4,095.59 and 1,170.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,730.89 : 4,095.59 = 1,170.12 : x
2. Step 2: Convert to fraction form
   2,730.89/4,095.59 = 1,170.12/x
3. Step 3: Cross multiply
   2,730.89x = 4,095.59 × 1,170.12
4. Step 4: Simplify right side
   2,730.89x = 4,792,331.77
5. Step 5: Solve for x
   x = 4,792,331.77/2,730.89
6. Step 6: Final answer
   x = 1,754.86