Finding the Fourth Proportional to 3,365.10, 5,044.17 and 1,172.61

Step by Step Solution

1. Step 1: Write the proportion equation
   3,365.10 : 5,044.17 = 1,172.61 : x
2. Step 2: Convert to fraction form
   3,365.10/5,044.17 = 1,172.61/x
3. Step 3: Cross multiply
   3,365.10x = 5,044.17 × 1,172.61
4. Step 4: Simplify right side
   3,365.10x = 5,914,844.18
5. Step 5: Solve for x
   x = 5,914,844.18/3,365.10
6. Step 6: Final answer
   x = 1,757.70