Finding the Fourth Proportional to 3,387.43, 5,081.98 and 1,166.30

Step by Step Solution

1. Step 1: Write the proportion equation
   3,387.43 : 5,081.98 = 1,166.30 : x
2. Step 2: Convert to fraction form
   3,387.43/5,081.98 = 1,166.30/x
3. Step 3: Cross multiply
   3,387.43x = 5,081.98 × 1,166.30
4. Step 4: Simplify right side
   3,387.43x = 5,927,113.27
5. Step 5: Solve for x
   x = 5,927,113.27/3,387.43
6. Step 6: Final answer
   x = 1,749.74