Finding the Fourth Proportional to 3,020.76, 4,528.52 and 1,170.60

Step by Step Solution

1. Step 1: Write the proportion equation
   3,020.76 : 4,528.52 = 1,170.60 : x
2. Step 2: Convert to fraction form
   3,020.76/4,528.52 = 1,170.60/x
3. Step 3: Cross multiply
   3,020.76x = 4,528.52 × 1,170.60
4. Step 4: Simplify right side
   3,020.76x = 5,301,085.51
5. Step 5: Solve for x
   x = 5,301,085.51/3,020.76
6. Step 6: Final answer
   x = 1,754.88