Finding the Fourth Proportional to 2,055.16, 2,835.98 and 1,170.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,055.16 : 2,835.98 = 1,170.80 : x
2. Step 2: Convert to fraction form
   2,055.16/2,835.98 = 1,170.80/x
3. Step 3: Cross multiply
   2,055.16x = 2,835.98 × 1,170.80
4. Step 4: Simplify right side
   2,055.16x = 3,320,359.53
5. Step 5: Solve for x
   x = 3,320,359.53/2,055.16
6. Step 6: Final answer
   x = 1,615.62