Finding the Fourth Proportional to 1,668.48, 2,499.96 and 1,360.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,668.48 : 2,499.96 = 1,360.50 : x
2. Step 2: Convert to fraction form
   1,668.48/2,499.96 = 1,360.50/x
3. Step 3: Cross multiply
   1,668.48x = 2,499.96 × 1,360.50
4. Step 4: Simplify right side
   1,668.48x = 3,401,195.58
5. Step 5: Solve for x
   x = 3,401,195.58/1,668.48
6. Step 6: Final answer
   x = 2,038.50