Finding the Fourth Proportional to 3,355.91, 5,031.71 and 1,164.80

Step by Step Solution

1. Step 1: Write the proportion equation
   3,355.91 : 5,031.71 = 1,164.80 : x
2. Step 2: Convert to fraction form
   3,355.91/5,031.71 = 1,164.80/x
3. Step 3: Cross multiply
   3,355.91x = 5,031.71 × 1,164.80
4. Step 4: Simplify right side
   3,355.91x = 5,860,910.65
5. Step 5: Solve for x
   x = 5,860,910.65/3,355.91
6. Step 6: Final answer
   x = 1,746.44