Finding the Fourth Proportional to 3,017.06, 4,522.35 and 1,261.61

Step by Step Solution

1. Step 1: Write the proportion equation
   3,017.06 : 4,522.35 = 1,261.61 : x
2. Step 2: Convert to fraction form
   3,017.06/4,522.35 = 1,261.61/x
3. Step 3: Cross multiply
   3,017.06x = 4,522.35 × 1,261.61
4. Step 4: Simplify right side
   3,017.06x = 5,705,419.37
5. Step 5: Solve for x
   x = 5,705,419.37/3,017.06
6. Step 6: Final answer
   x = 1,891.06