Finding the Fourth Proportional to 3,355.58, 5,031.54 and 1,164.12

Step by Step Solution

1. Step 1: Write the proportion equation
   3,355.58 : 5,031.54 = 1,164.12 : x
2. Step 2: Convert to fraction form
   3,355.58/5,031.54 = 1,164.12/x
3. Step 3: Cross multiply
   3,355.58x = 5,031.54 × 1,164.12
4. Step 4: Simplify right side
   3,355.58x = 5,857,316.34
5. Step 5: Solve for x
   x = 5,857,316.34/3,355.58
6. Step 6: Final answer
   x = 1,745.55